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Geophysical tomography for imaging water movement in welded tuff

Geophysical tomography for imaging water movement in welded tuff

Date: September 1, 1986
Creator: Daily, W.D. & Ramirez, A.L.
Description: Alterant tomography has been evaluated for its ability to delineate in-situ water flow paths in a fractured welded-tuff rock mass. The evaluation involved a field experiment in which tomographs of electromagnetic attenuation factor (or attenuation rate) at 300 MHz were made before, during, and after the introduction to the rock of two different water-based tracers: a plain water and dye solution, and salt water and dye. Alterant tomographs were constructed by subtracting, cell by cell, the attenuation factors derived from measurements before each tracer was added to the rock mass from the attenuation factors derived after each tracer was added. The alterant tomographs were compared with other evidence of water movement in the rock: borescope logs of fractures, and post experiment cores used to locate the dye tracer on the fractured surfaces. These comparisons indicate that alterant tomography is suitable for mapping water flow through fractures and that it may be useful in inferring which of the fractures are hydrologically connected in the image plane. The technique appears to be sensitive enough to delineate flow through a single fracture and to define fractures with a spatial resolution of about 10 cm on an imaging scale of a few meters. 9 ...
Contributing Partner: UNT Libraries Government Documents Department
Georgetown, South Carolina--North Carolina

Georgetown, South Carolina--North Carolina

Date: 1980
Creator: U.S. Fish and Wildlife Service
Description: Map showing biological resources (aquatic organisms, terrestrial organisms, land use, etc.) in the Georgetown region of the Atlantic coast area. Scale 1:250,000.
Contributing Partner: UNT Libraries Government Documents Department
Georgia Emergency Management and Homeland Security Statutory Authorities Summarized

Georgia Emergency Management and Homeland Security Statutory Authorities Summarized

Date: April 2, 2004
Creator: Bea, Keith; Runyon, L. Cheryl & Warnock, Kae M
Description: This report is one of a series that profiles the emergency management and homeland security statutory authorities of the 50 states, the District of Columbia, the Commonwealth of the Northern Mariana Islands, the Commonwealth of Puerto Rico, and three territories (American Samoa, Guam, and the U.S. Virgin Islands). Each profile identifies the more significant elements of state statutes, generally as codified. This report focuses on the state of Georgia.
Contributing Partner: UNT Libraries Government Documents Department
Georgia Institute of Technology chilled water system evaluation and master plan

Georgia Institute of Technology chilled water system evaluation and master plan

Date: May 15, 1996
Creator: unknown
Description: As the host of the Olympic Village for the 1996 Atlanta Olympics, Georgia Tech has experienced a surge in construction activities over the last three years. Over 1.3 million square feet of new buildings have been constructed on the Georgia Tech campus. This growth has placed a strain on the Georgia Tech community and challenged the facilities support staff charged with planning and organizing utility services. In concert with Olympic construction, utility planners have worked to ensure long term benefits for Georgia Tech facilities while meeting the short term requirements of the Olympic Games. The concentration of building construction in the northwest quadrant of the campus allowed planners to construct a satellite chilled water plant to serve the needs of this area and provide the opportunity to integrate this section of the campus with the main campus chilled water system. This assessment and master plan, funded in part by the US Department of Energy, has evaluated the chilled water infrastructure at Georgia Tech, identified ongoing problems and made recommendations for long term chilled water infrastructure development and efficiency improvements. The Georgia Tech office of Facilities and RDA Engineering, Inc. have worked together to assemble relevant information and prepare the recommendations ...
Contributing Partner: UNT Libraries Government Documents Department
Georgia Iron Deposits, Cherokee, Bartow, Floyd, and Polk Counties (In Two Parts): Part I

Georgia Iron Deposits, Cherokee, Bartow, Floyd, and Polk Counties (In Two Parts): Part I

Date: January 1948
Creator: Lewiecki, Walter T.
Description: Report issued by the Bureau of Mines over exploration of iron ore deposits in four counties in Georgia. The physical features, geology, and analysis of ore samples are presented. This report includes tables, and maps.
Contributing Partner: UNT Libraries Government Documents Department
Georgia Iron Deposits, Cherokee, Bartow, Floyd, and Polk Counties (In Two Parts): Part II

Georgia Iron Deposits, Cherokee, Bartow, Floyd, and Polk Counties (In Two Parts): Part II

Date: January 1948
Creator: Robertson, Almon F.
Description: Report issued by the Bureau of Mines over exploration of iron ore deposits in four counties in Georgia. The work accomplished during the summer of 1945 in these deposits is presented. The report describes physical features, geology, and characteristics of the ore samples collected. This report includes tables, maps, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Georgia Mica Spots: Cherokee, Upson, Lamar, and Monroe Counties

Georgia Mica Spots: Cherokee, Upson, Lamar, and Monroe Counties

Date: April 1948
Creator: Beck, William A.
Description: Report issued by the Bureau of Mines over studies of mica deposits throughout four counties in Georgia. Descriptions of the physical features of the mines, and deposits are presented. This report includes tables, maps, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Georgia [Republic]: Recent Developments and U.S. Interests

Georgia [Republic]: Recent Developments and U.S. Interests

Date: September 23, 2010
Creator: Nichol, Jim
Description: This report examines Georgia's efforts to democratize and bolster its free market economy, while surmounting separatism, Russian economic sanctions, and other problems. U.S. policy and assistance are discussed. Basic facts and biographical information are provided. Related products include CRS Report RL33453, Armenia, Azerbaijan, and Georgia: Political Developments and Implications for U.S. Interests, by Jim Nichol.
Contributing Partner: UNT Libraries Government Documents Department
Georgia [Republic]: Recent Developments and U.S. Interests

Georgia [Republic]: Recent Developments and U.S. Interests

Date: June 21, 2013
Creator: Nichol, Jim
Description: Report that examines Georgia's efforts to democratize and bolster its free market economy, U.S. policy and assistance, basic facts, and biographical information.
Contributing Partner: UNT Libraries Government Documents Department
Georgia [Republic]: Recent Developments and U.S. Interests

Georgia [Republic]: Recent Developments and U.S. Interests

Date: May 21, 2008
Creator: Nichol, Jim
Description: This report examines Georgia's efforts to democratize and bolster its free market economy, while surmounting separatism, Russian economic sanctions, and other problems. U.S. policy and assistance are discussed. Basic facts and biographical information are provided. Related products include CRS Report RL33453, Armenia, Azerbaijan, and Georgia: Political Developments and Implications for U.S. Interests, by Jim Nichol.
Contributing Partner: UNT Libraries Government Documents Department