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3-D Seismic Methods for Geothermal Reservoir Exploration and Assessment--Summary

Description: A wide variety of seismic methods covering the spectrum from DC to kilohertz have been employed at one time or the other in geothermal environments. The reasons have varied from exploration for a heat source to attempting to find individual fractures producing hot fluids. For the purposes here we will assume that overall objective of seismic imaging is for siting wells for successful location of permeable pathways (often fracture permeability) that are controlling flow and transport in naturally fractured reservoirs. The application could be for exploration of new resources or for in-fill/step-out drilling in existing fields. In most geothermal environments the challenge has been to separate the ''background'' natural complexity and heterogeneity of the matrix from the fracture/fault heterogeneity controlling the fluid flow. Ideally one not only wants to find the fractures, but the fractures that are controlling the flow of the fluids. Evaluated in this work is current state-of-the-art surface (seismic reflection) and borehole seismic methods (Vertical Seismic Profiling (VSP), Crosswell and Single Well) to locate and quantify geothermal reservoir characteristics. The focus is on active methods; the assumption being that accuracy is needed for successful well siting. Passive methods are useful for exploration and detailed monitoring for in-fill drilling, but in general the passive methods lack the precision and accuracy for well siting in new or step out areas. In addition, MEQ activity is usually associated with production, after the field has been taken to a mature state, thus in most cases it is assumed that there is not enough MEQ activity in unproduced areas to accurately find the permeable pathways. The premise of this review is that there may new developments in theory and modeling, as well as in data acquisition and processing, which could make it possible to image the subsurface in much more detail than …
Date: July 14, 2003
Creator: Majer, E. L.
Partner: UNT Libraries Government Documents Department
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24-Channel Geophone Array for Horizontal or Vertical Boreholes Quarterly Technical Report: April-June 2003

Description: This report describes the technical progress on a project to design and construct a multichannel geophone array that improves tomographic imaging capabilities in both surface and underground mines. No work was completed during this reporting period as project personnel are waiting for the mine to become available for final field testing of the array. Improved imaging capabilities will produce energy, environmental, and economic benefits by increasing exploration accuracy and reducing operating costs.
Date: July 1, 2003
Creator: Westman, Erik C.
Partner: UNT Libraries Government Documents Department
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40 Years of Discovery

Description: History is most interesting when seen through the eyes of those who lived it. In this 40th anniversary retrospective of bioscience research at Lawrence Livermore National Laboratory, we've asked 19 scientists to share their personal recollections about a major accomplishment in the program's history. We have not tried to create a comprehensive or seamless story. Rather, we've attempted to capture the perspectives of key individuals, each of whom worked on a research program that met significant milestones. We have focused particularly on programs and accomplishments that have shaped the current Biology and Biotechnology Research Program (BBRP). In addition, we have included a timeline of biosciences at LLNL, a history of the directorate that appeared in the Laboratory's magazine, ''Science & Technology Review'', in 2002, and a list of bioscience-related articles that have appeared over the years in ''Science & Technology Review and its predecessor, Energy & Technology Review''. The landscape of biological science today is stunningly different from 40 years ago. When LLNL bioscience began in 1963, we knew about the structure of DNA and that it was the carrier of genetic information. However, it would be another year before scientists would understand how DNA codes for the production of proteins and more than a decade before the earliest DNA sequence would be known. It is sometimes difficult to remember that it was only 15 years ago that the polymerase chain reaction, a synthetic method to amplify pieces of DNA was developed, and that only within the last half-dozen years has sequence data for entire organisms begun to be available. In this publication, we have tried to capture some of the landmark and seminal research history: radiation effects studies, which were a major reason for founding the biological research program, and flow sorting and chromosome painting, which dramatically changed our …
Date: July 8, 2003
Creator: Heller, Arnie; Henke, Amy; Weinstein, Bert & Thomas, Cindy
Partner: UNT Libraries Government Documents Department
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The (178m2)Hf Controversy

Description: Since its discovery in the 1960's the {sup 178m2}Hf isomer has garnered high attention from both the basic and applied communities in nuclear science. It's combination of high spin (16+), long half life (31 yrs), and high excitation energy (2.446 MeV) offer unique possibilities as an energy storage medium. Interest in the isomer was rekindled beginning in 1999 when a series of publications began to appear from a group (referred to here as the ''Texas collaboration'') primarily based at the University of Texas, Dallas [1]. They reported observations that some of the stored energy could be released (''triggered'') when the isomer was exposed to a fluence of photons in the energy range {approx}10 to {approx}60 keV. The implications of this observation are profound. Even though the claimed cross section for the process was {approx}7 orders of magnitude greater than would be predicted from the known systematics of photon absorption by nuclei in this mass range [2], such a highly efficient method for triggering the isomeric deexcitation immediately suggested applications utilizing the explosive or the controlled gradual energy release from a very compact source. The prospect of such applications has focused considerable interest on realizing the promise that is implicit in the reported observations. However, two experiments performed by a group from ANL/LANL/LLNL at the Advanced Photon Source at Argonne (the ''APS collaboration'') reported negative results for the observation of any photon-triggered deexcitation of the {sup 178m2}Hf isomer [3]. This has led to a continued controversy, where both sides have adamantly defended their observations. At this point an outsider has difficulty determining whether there is indeed a triggering effect that should be pursued energetically with substantial resources, or whether the phenomenon consists of overly optimistic interpretation of data.
Date: July 24, 2003
Creator: Becker, J. A.; Gemmell, D. S.; Schiffer, J. P. & Wilhelmy, J. B.
Partner: UNT Libraries Government Documents Department
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2003 Initial Assessments of Closure for the C Tank Farm Field Investigation Report (FIR):Numerical Simulations

Description: In support of CH2M HILL Hanford Group, Inc.'s (CHG) preparation of a Field Investigative Report (FIR) for the closure of the Hanford Site Single-Shell Tank (SST) Waste Management Area (WMA) tank farms, a set of numerical simulations of flow and solute transport was executed to predict the performance of surface barriers for reducing long-term risks from potential groundwater contamination at the C Farm WMA. This report documents the simulation of 14 cases (and two verification cases) involving two-dimensional cross sections through the C Farm WMA tanks C-103 – C-112. Utilizing a unit release scenario at Tank C-112, four different types of leaks were simulated. These simulations assessed the impact of leakage during retrieval, past leaks, and tank residual wastes and tank ancillary equipment following closure activities. . Two transported solutes were considered: uranium-238 (U-238) and technetium-99 (Tc-99). To evaluate the impact of sorption to the subsurface materials, six different retardation coefficients were simulated for U-238. Overall, simulations results for the C Farm WMA showed that only a small fraction of the U-238 with retardation factors greater than 0.6 migrated from the vadose zone in all of the cases. For the conservative solute, Tc-99, results showed that the simulations investigating leakages during retrieval demonstrated the highest WMA peak concentrations and the earliest arrival times due to the high infiltration rate before the use of surface barriers and the addition of water into the system. Simulations investigating past leaks showed similar peaks and arrival times as the retrieval leak cases. Several different release rates were used to investigate contaminant transport from residual tank wastes. All showed similar peak concentrations and arrival times, except for the lowest initial release rate, which was 1,000 times slower than the highest release rate. Past leaks were also investigated with different release rate models, including advection dominated, …
Date: July 15, 2003
Creator: Zhang, Z. F.; Freedman, Vicky L. & White, Mark D.
Partner: UNT Libraries Government Documents Department
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Abortion: Legislative Response

Description: The primary focus of this issue brief is legislative action in the 108th Congress with respect to abortion. However, discussion of those legislative proposals necessarily involves a brief discussion of the leading U.S. Supreme Court decisions concerning a woman’s right to choose whether to terminate her pregnancy. For a more detailed discussion of the relevant case law, see CRS Report 95-724, Abortion Law Development: A Brief Overview.
Date: July 29, 2003
Creator: Lewis, Karen J.; Shimabukuro, Jon O. & Ely, Dana
Partner: UNT Libraries Government Documents Department
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Accelerated Characterization of Polymer Properties

Description: This report describes the efforts to develop a suite of microanalysis techniques that can rapidly measure a variety of polymer properties of industrial importance, including thermal, photo-oxidative, and color stability; as well as ductility, viscosity, and mechanical and antistatic properties. Additional goals of the project were to direct the development of these techniques toward simultaneous measurements of multiple polymer samples of small size in real time using non-destructive and/or parallel or rapid sequential measurements, to develop microcompounding techniques for preparing polymers with additives, and to demonstrate that samples prepared in the microcompounder could be analyzed directly or used in rapid off-line measurements. These enabling technologies are the crucial precursors to the development of high-throughput screening (HTS) methodologies for the polymer additives industry whereby the rate of development of new additives and polymer formulations can be greatly accelerated.
Date: July 30, 2003
Creator: Wroczynski, R.; Brewer, l.; Buckley, D.; Burrell, M. & Potyrailo, R.
Partner: UNT Libraries Government Documents Department
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Accelerator improvement options for NuMI oroton intensity.

Description: In order to meet the needs for protons for MINOS and other experiments, substantial improvements will be necessary in the Booster and Main Injector. They have evaluated a number of improvements which would yield an increase in the number of protons on target for NuMI and Mini-BooNE in the years 2005-2008. They outline a possible program of improvements in the Booster and Main Injector which can be implemented in steps over a five year period and which could result in an increase in proton intensity through the Main Injector which is approximately four times what is currently possible. They provide a list of specific improvements and suggest a possible schedule for the implementation.
Date: July 29, 2003
Creator: Choudhary, B.; Fields, T.; Foster, G. W.; Graffin, J.; Lucas, P.; Marchionni, A. et al.
Partner: UNT Libraries Government Documents Department
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Access in nanoporous solids. Final Report for June 30, 1997 - May 31, 2000

Description: This is an application of techniques of molecular theory to the study of nanostructures build on planar substrates and the face of membranes, with the ultimate goal of modifying their equilibrium and transport behavior. The work is focused on the mechanism for adsorption or deposition and how various regimes can be achieved by changing the rate of adsorption relative to characteristic diffusion and reaction time scales.
Date: July 18, 2003
Creator: Glandt, Eduardo D.
Partner: UNT Libraries Government Documents Department
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ACHIEVING NEW SOURCE PERFORMANCE STANDARDS (NSPS) EMISSION STANDARDS THROUGH INTEGRATION OF LOW-NOx BURNERS WITH AN OPTIMIZATION PLAN FOR BOILER COMBUSTION

Description: The objective of this project is to demonstrate the use of an Integrated Combustion Optimization System to achieve NO{sub x} emissions levels in the range of 0.15 to 0.22 lb/MMBtu while simultaneously enabling increased power output. The project consists of the integration of low-NO{sub x} burners and advanced overfire air technology with various process measurement and control devices on the Holcomb Station Unit 1 boiler. The project includes the use of sophisticated neural networks or other artificial intelligence technologies and complex software that can optimize several operating parameters, including NO{sub x} emissions, boiler efficiency, and CO emissions. The program is being performed in three phases. In Phase I, the boiler is being equipped with sensors that can be used to monitor furnace conditions and coal flow to permit improvements in boiler operation. In Phase II, the boiler will be equipped with burner modifications designed to reduce NO{sub x} emissions and automated coal flow dampers to permit on-line fuel balancing. In Phase III, the boiler will be equipped with an overfire air system to permit deep reductions in NO{sub x} emissions to be achieved. Integration of the overfire air system with the improvements made in Phases I and II will permit optimization of the boiler performance, output, and emissions. During this reporting period, efforts were focused on completion of Phase I and Phase II activities. The low-NO{sub x} burner modifications, the coal flow dampers, and the coal flow monitoring system were procured and installed during a boiler outage in March 2003. During this reporting period, optimization tests were performed to evaluate system performance and identify optimum operating conditions for the installed equipment. The overfire air system process design activities and preliminary engineering design were completed.
Date: July 1, 2003
Creator: Penrod, Wayne & Moyeda, David
Partner: UNT Libraries Government Documents Department
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Adaptive Management and Planning Models for Cultural Resources in Oil & Gas Fields in New Mexico and Wyoming, Semi-Annual Progress Report: January 1 - June 30, 2003

Description: This report contains a summary of activities of Gnomon, Inc. and five sub-contractors that have taken place during the first six months (January 1, 2003--June 30, 2003) under the DOE-NETL cooperative agreement: ''Adaptive Management and Planning Models for Cultural Resources in Oil & Gas Fields in New Mexico and Wyoming'', DE-FC26-02NT15445. Gnomon, Inc. and all five (5) subcontractors have agreed on a process for the framework of this two-year project. They have also started gathering geomorphological information and entering cultural resource data into databases that will be used to create models later in the project. This data is being gathered in both the Power River Basin of Wyoming, and the Southeastern region of New Mexico. Several meetings were held with key players in this project to explain the purpose of the research, to obtain feedback and to gain support. All activities have been accomplished on time and within budget with no major setbacks.
Date: July 25, 2003
Creator: Robinson, Peggy
Partner: UNT Libraries Government Documents Department
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ADVANCED CO{sub 2} CYCLE POWER GENERATION

Description: Research is being conducted under United States Department of Energy (DOE) Contract DE-FC26-02NT41621 to develop a conceptual design and determine the performance characteristics of a new IGCC plant configuration that facilitates CO{sub 2} removal for sequestration. This new configuration will be designed to achieve CO{sub 2} sequestration without the need for water gas shifting and CO{sub 2} separation, and may eliminate the need for a separate sequestration compressor. This research introduces a novel concept of using CO{sub 2} as a working fluid for an advanced coal gasification based power generation system, where it generates power with high system efficiency while concentrating CO{sub 2} for sequestration. This project supports the DOE research objective of development of concepts for the capture and storage of CO{sub 2}.
Date: July 1, 2003
Creator: Nehrozoglu, A.
Partner: UNT Libraries Government Documents Department
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Advanced Cuttings Transport Study Quarterly Technical Report: April-June 2003

Description: This Quarter has been divided between running experiments and the installation of the drill-pipe rotation system. In addition, valves and piping were relocated, and three viewports were installed. Detailed design work is proceeding on a system to elevate the drill-string section. Design of the first prototype version of a Foam Generator has been finalized, and fabrication is underway. This will be used to determine the relationship between surface roughness and ''slip'' of foams at solid boundaries. Additional cups and rotors are being machined with different surface roughness. Some experiments on cuttings transport with aerated fluids have been conducted at EPET. Theoretical modeling of cuttings transport with aerated fluids is proceeding. The development of theoretical models to predict frictional pressure losses of flowing foam is in progress. The new board design for instrumentation to measure cuttings concentration is now functioning with an acceptable noise level. The ultrasonic sensors are stable up to 190 F. Static tests with sand in an annulus indicate that the system is able to distinguish between different sand concentrations. Viscometer tests with foam, generated by the Dynamic Test Facility (DTF), are continuing.
Date: July 30, 2003
Creator: Reed, Troy; Miska, Stefan; Takach, Nicholas; Ashenayi, Kaveh; Pickell, Mark; Volk, Len et al.
Partner: UNT Libraries Government Documents Department
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Advanced Flue Gas Conditioning as a Retrofit Upgrade to Enhance Pm Collection From Coal-Fired Electric Utility Boilers, Quarterly Technical Report: April-June 2003

Description: The U.S. Department of Energy and ADA Environmental Solutions are engaged in a project to develop commercial flue gas conditioning additives. The objective is to develop conditioning agents that can help improve particulate control performance of smaller or under-sized electrostatic precipitators on utility coal-fired boilers. The new chemicals will be used to control both the electrical resistivity and the adhesion or cohesivity of the fly ash. There is a need to provide cost-effective and safer alternatives to traditional flue gas conditioning with SO{sub 3} and ammonia. This quarterly report summarizes project activity for the period April-June, 2003. In this period there was limited activity and no active field trials. Results of ash analysis from the AEP Conesville demonstration were received. In addition, a site visit was made to We Energies Presque Isle Power Plant and a proposal extended for a flue gas conditioning trial with the ADA-51 cohesivity additive. It is expected that this will be the final full-scale evaluation on the project.
Date: July 30, 2003
Creator: Baldrey, Kenneth E.
Partner: UNT Libraries Government Documents Department
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An Advanced Fracture Characterization and Well Path Navigation System for Effective Re-Development and Enhancement of Ultimate Recovery From the Complex Monterey Reservoir of South Ellwood Field, Offshore California, Quarterly Report: April - June 2003

Description: Venoco Inc, intends to re-develop the Monterey Formation, a Class III basin reservoir, at South Ellwood Field, Offshore Santa Barbara, California. Well productivity in this field varies significantly. Cumulative Monterey production for individual wells has ranged from 260 STB to 8,700,000 STB. Productivity is primarily affected by how well the well path connects with the local fracture system and the degree of aquifer support. Cumulative oil recovery to date is a small percentage of the original oil in place. To embark upon successful re-development and to optimize reservoir management, Venoco intends to investigate, map and characterize field fracture patterns and the reservoir conduit system. State of the art borehole imaging technologies including FMI, dipole sonic and cross-well seismic, interference tests and production logs will be employed to characterize fractures and micro faults. These data along with the existing database will be used for construction of a novel geologic model of the fracture network. Development of an innovative fracture network reservoir simulator is proposed to monitor and manage the aquifer's role in pressure maintenance and water production. The new fracture simulation model will be used for both planning optimal paths for new wells and improving ultimate recovery. In the second phase of this project, the model will be used for the design of a pilot program for downhole water re-injection into the aquifer simultaneously with oil production. Downhole water separation units attached to electric submersible pumps will be used to minimize surface fluid handling thereby improving recoveries per well and field economics while maintaining aquifer support. In cooperation with the DOE, results of the field studies as well as the new models developed and the fracture database will be shared with other operators. Numerous fields producing from the Monterey and analogous fractured reservoirs both onshore and offshore will benefit from the …
Date: July 30, 2003
Creator: Horner, Steve & Ershaghi, Iraj
Partner: UNT Libraries Government Documents Department
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Advanced Hydrogen Transport Membranes for Vision 21 Fossil Fuels Plants

Description: Eltron Research Inc. and team members CoorsTek, Sued Chemie, and Argonne National Laboratory are developing an environmentally benign, inexpensive, and efficient method for separating hydrogen from gas mixtures produced during industrial processes, such as coal gasification. This project was motivated by the National Energy Technology Laboratory (NETL) Vision 21 initiative, which seeks to economically eliminate environmental concerns associated with the use of fossil fuels. Currently, this project is focusing on four basic categories of dense membranes: (1) mixed conducting ceramic/ceramic composites, (2) mixed conducting ceramic/metal (cermet) composites, (3) cermets with hydrogen permeable metals, and (4) layered composites containing hydrogen permeable alloys. Ultimately, these materials must enable hydrogen separation at practical rates under ambient and high-pressure conditions, without deactivation in the presence of feedstream components such as carbon dioxide, water, and sulfur. This report presents hydrogen permeation data during long term tests and tests at high pressure in addition to progress with cermet, ceramic/ceramic, and thin film membranes.
Date: July 31, 2003
Creator: Roark, Shane E.; Sammells, Anthony F.; Mackay, Richard; Schesnack, Stewart; Morrison, Scott; Zirbel, Thomas A. et al.
Partner: UNT Libraries Government Documents Department
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ADVANCED, LOW/ZERO EMISSION BOILER DESIGN AND OPERATION

Description: This document reviews the work performed during the quarter April-June 2003. The main focus of this quarter has been the site preparation (task 1) for the test campaign scheduled in September/October 2003. Task 3 (Techno-economical assessment) has also been initiated while selecting the methodology to be used in the economics analysis and specifying the plants to be compared: In Task 1 (Site Preparation), the process definition and design activities have been completed, the equipment and instruments required have been identified, and the fabrication and installation activities have been initiated, to implement the required modifications on the pilot boiler. As of today, the schedule calls for completion of construction by late-July. System check-down is scheduled for the first two weeks of August. In Task 2 (Combustion and Emissions Performance Optimization), four weeks of testing are planned, two weeks starting second half of August and two weeks starting at the end of September. In Task 3 (Techno-Economic Study), the plants to be evaluated have been specified, including baseline cases (air fired PC boilers with or without CO{sub 2} capture), O{sub 2}-fired cases (with or without flue gas recirculation) and IGCC cases. Power plants ranging from 50 to 500MW have been selected and the methodology to be used has been described, both for performance evaluation and cost assessment. The first calculations will be performed soon and the first trends will be reported in the next quarter. As part of Task 5 (Project Management & Reporting), the subcontract between Babcock&Wilcox and American Air Liquide has been finalized. The subcontract between ISGS and American Air Liquide is in the final stages of completion.
Date: July 1, 2003
Creator: Marin, Ovidiu & Chatel-Pelage, Fabienne
Partner: UNT Libraries Government Documents Department
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ADVANCED OIL RECOVERY TECHNOLOGIES FOR IMPROVED RECOVERY FROM SLOPE BASIN CLASTIC RESERVOIRS, NASH DRAW BRUSHY CANYON POOL, EDDY COUNTY, NM

Description: The overall objective of this project is to demonstrate that a development program based on advanced reservoir management methods can significantly improve oil recovery at the Nash Draw Pool (NDP). The plan includes developing a control area using standard reservoir management techniques and comparing its performance to an area developed using advanced reservoir management methods. Specific goals are (1) to demonstrate that an advanced development drilling and pressure maintenance program can significantly improve oil recovery compared to existing technology applications and (2) to transfer these advanced methodologies to oil and gas producers in the Permian Basin and elsewhere throughout the U.S. oil and gas industry.
Date: July 30, 2003
Creator: Murphy, Mark B.
Partner: UNT Libraries Government Documents Department
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Advanced Oxyfuel Boilers and Process Heaters for Cost Effective CO₂ Capture and Sequestration

Description: This annual technical progress report summarizes the work accomplished during the first year of the program, January-December 2002, in the following task areas: Task 1--Conceptual Design, Task 2--Laboratory Scale Evaluations, Task 3--OTM Development, Task 4--Economic Evaluation and Commercialization Planning and Task 5--Program Management. The program has experienced significant delays due to several factors. The budget has also been significantly under spent. Based on recent technical successes significant future progress is expected. A number of concepts for integrating Oxygen Transport Membranes (OTMs) into boilers and process heaters to facilitate oxy-fuel combustion have been proposed. A detailed modeling plan has been proposed and early modeling work has focused on developing spreadsheet based models for quick engineering calculations. Combustion reactor laboratory scale evaluations efforts have been delayed due to the closing of Praxair's Tarrytown facility in December 2001. Experimental facilities and personnel have been relocated to Praxair's facility in Tonawanda. The facilities have recently been re-commissioned. Work with the OTM development task has also been delayed as early material selections were discarded. More recently, more promising OTM material compositions have been identified. Economic evaluation commenced. Information was acquired that quantified the attractiveness of the advanced oxygen-fired boiler. CO{sub 2} capture and compression are still estimated to be much less than $10/ton carbon.
Date: July 1, 2003
Creator: Thompson, David R.; Bool, Lawrence E. & Christie, G. Maxwell
Partner: UNT Libraries Government Documents Department
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The Advanced Technology Program

Description: This report discuses the Advanced Technology Program (ATP) that was created by P.L. 100-418, the Omnibus Trade and Competitiveness Act of 1988, to encourage public-private cooperation in the development of pre-competitive technologies with broad application across industries
Date: July 25, 2003
Creator: Schacht, Wendy H.
Partner: UNT Libraries Government Documents Department
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Affirmative Action and Diversity in Public Education — Legal Developments

Description: The first part of this report briefly reviews the judicial evolution of race-based affirmative action, particularly in relation to public education. Recent rulings challenging the use of racial admissions and hiring practices by public educational institutions are then considered for their implications on the future development of affirmative action law.
Date: July 22, 2003
Creator: Dale, Charles V.
Partner: UNT Libraries Government Documents Department
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Africa: U.S. Foreign Assistance Issues

Description: This report discusses the issue of U.S. economic assistance to sub-Saharan Africa, highlighting the importance of continued assistance in light of U.S. national security and also various U.S.-led efforts to promote reform amongst African citizens themselves. U.S. assistance finds its way to Africa through a variety of channels, including the USAID-administered DA program, food aid programs, and indirect aid provided through international financial institutions and the United Nations.
Date: July 3, 2003
Creator: Copson, Raymond W.
Partner: UNT Libraries Government Documents Department
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Africa: U.S. Foreign Assistance Issues

Description: This report discusses the issue of U.S. economic assistance to sub-Saharan Africa, highlighting the importance of continued assistance in light of U.S. national security and also various U.S.-led efforts to promote reform amongst African citizens themselves. U.S. assistance finds its way to Africa through a variety of channels, including the USAID-administered DA program, food aid programs, and indirect aid provided through international financial institutions and the United Nations.
Date: July 22, 2003
Creator: Copson, Raymond W.
Partner: UNT Libraries Government Documents Department
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Agricultural Export and Food Aid Programs

Description: This report discusses projected agricultural imports and exports for FY2003, as well as legislation that deals with federal programs in support of agricultural exports and federal aid dedicated to farms and agricultural reform.
Date: July 24, 2003
Creator: Hanrahan, Charles E.
Partner: UNT Libraries Government Documents Department
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