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Aeroradioactivity Survey and Geology of Puerto Rico (ARMS-I)

Description: Report containing an aeroradioactivity survey of Puerto Rico made on behalf of the Division of Biology and Medicine, United States Atomic Energy Commission. Topics include the types of bedrock noted in the area as well as their levels of radioactivity.
Date: March 1964
Creator: MacKallor, Jules A.
open access

Floods in Puerto Rico, Magnitude and Frequency

Description: This report used "annual peak-discharge records at fifty sites with five or more years of record" to determine individual site frequency curves. It includes several maps.
Date: June 1979
Creator: López, M. A.; Colón-Dieppa, E. & Cobb, E. D.
open access

Ground Water in the Lajas Valley, Puerto Rico

Description: Abstract: Lajas Valley is plagued with problems of salinity and waterlogging the soils. Use of brackish (500 milligrams per liter) irrigation compounded ground water for the problem until an irrigation-drainage system was constructed in 1955. Lajas is an alluvium-filled limestone highlands. The alluvium, mostly clay and as much 300 feet (90 meters) thick, contains brackish ground water except in the recharge areas located along the foothills...Results from a digital model show that a network o… more
Date: March 1977
Creator: Anderson, Henry R.
open access

Ground Water in the San Juan Metropolitan Area, Puerto Rico

Description: From introduction: A post-drought analysis of the sources of water supply for the metropolitan area indicated a need for better knowledge of the ground-water resources. A study was implemented through the cooperative water-resources investigation program between Commonwealth agencies of Puerto Rico and the U.S. Geological Survey.
Date: July 1976
Creator: Anderson, Henry R.
open access

History of Dredging and Filling of Lagoons in the San Juan Area, Puerto Rico

Description: Abstract: Laguna La Torrecilla, Laguna de Pinones, Laguna San Jose, and Laguna del Condado, in the San Juan, Puerto Rico area, are located within a metropolitan area of more than 1 million people. Bathymetric maps made during the study, in 1973, showed that Lagunas La Torrecilla, San Jose, and del Condado have been modified by dredging and filling; whereas, Laguna de Pinones has remained in a near natural state. Laguna La Torrecilla has been dredged to a depth, in places, of about 18 metres, an… more
Date: September 1976
Creator: Ellis, S. R.
open access

Iron-Ore Resources of the United States: Including Alaska and Puerto Rico, 1955

Description: From introduction: The purpose of this report is to summarize available information concerning iron-ore resources in the United States in order to provide a general background for understanding and appraising the present status of this basic commodity.
Date: 1959
Creator: Carr, Martha S. & Dutton, Carl E.
open access

Limnology of Lago Loiza, Puerto Rico

Description: From purpose and study: The principal objectives of this study were as follows: (1) to determine the existing water-quality conditions in Lago Loiza as reflected by the principal chemical, physical, biological and bacteriological characteristics in the lake and its tributaries. (2) To estimate the reservoir's water budget during the study period, including the contributions from the tributaries and other sources. (3) Estimation of the reservoir's overall nitrogen and phosphorus budget, includin… more
Date: February 1980
Creator: Quiñones-Márquez, Ferdinand
open access

Limnology of Laguna Tortuguero, Puerto Rico

Description: Abstract: The principal chemical, physical and biological characteristics, as well as the hydrology of Laguna Tortuguero, Puerto Rico, were studied from 1974-75. The lagoon, with and area of 2.24 square kilometers and a volume of about 2.68 million cubic meters, contains about 5 percent of seawater. Drainage through a canal on the north side averages 0.64 cubic meters per second per day, flushing the lagoon about 7.5 times per year. Chloride and sodium are the principal ions in the water, rangi… more
Date: March 1978
Creator: Quiñones-Márquez, Ferdinand & Fusté, Luis A.
Location: None
open access

Puerto Rico Energy Center Study: Executive Study

Description: From background: The study is an outgrowth of investigations by the Atomic Energy Commission and the Office of Saline Water into the use of nuclear energy to supply heat for desalting seawater and for generating electricity, and of work on the energy center concept conducted at the AEC's Oak Ridge National Laboratory. The bases for the study were set forth in a Memorandum of Understanding signed by Commissioner James T. Ramey of the United States Atomic Energy Commission, Under Secretary David … more
Date: July 1970
Creator: Burns and Roe, Inc.
open access

Puerto Rico Energy Center Study: Executive Summary

Description: From introduction: The scope of work of the study was to compile and analyze information on the resources and requirements of the southwestern, southeastern, and north-central coastal regions of the Commonwealth, and assess industrial and agricultural activities which in conjunction with the power and desalting plants, might comprise the energy center complex. The study was also to identify the need for any experimental, pilot or demonstration projects which benefit the practical application of… more
Date: July 1970
Creator: Burns and Roe
open access

Puerto Rico Energy Center Study: Site Selection Supplement

Description: From introduction: The PRWRA has contracted with the AEC to study the application of an Energy Center in Puerto Rico. The authority in turn has retained Burns and Roe, Inc. as a subcontractor and the Dow Chemical Company as a major sub-subcontractor to carry out this study.
Date: July 1970
Creator: Burns and Roe
open access

Puerto Rico Energy Center Study: Volume 1

Description: From introduction: The scope of work of the study was to compile and analyze information on the resources and requirements of the southwestern, southeastern, and north-central coastal regions of the Commonwealth, and assess industrial and agricultural activities which in conjunction with the power and desalting plants, might comprise the energy center complex. The study was also to identify the need for any experimental, pilot or demonstration projects which benefit the practical application of… more
Date: July 1970
Creator: Burns and Roe
open access

State Compensatory Provisions for Occupational Diseases

Description: From Introduction: "This publication includes the laws of the States, the District of Columbia, Puerto Rico, and the Virgin Island through 1964. Only those portions of the workmen's compensation laws which apply to or are related to and deletions from the basic law have been incorporated into the text of the law, thus making it unnecessary to search out the various amendments made each year."
Date: 1967
Creator: Morgis, G. G.; Beauregard, Lena P. & Shoub, Earle P.
open access

Statistical Summary of Daily Values Data and Trend Analysis of Dissolved-Solids Data at National Stream Quality Accounting Network (NASQAN) Stations

Description: From abstract: A statistical summary of the available continuous and once-daily discharge, specific-conductance, dissolved oxygen, temperature, and pH data collected at NASQAN stations during the 1973-81 water years and documentation of the period of record on which the statistical calculations were based are presented.
Date: 1983
Creator: Wells, Frank C. & Schertz, Terry L.
open access

United States Earthquakes, 1928

Description: Report discussing earthquake activity in the United States during 1928. The report is broken down by regions and has sections for specific earthquakes.
Date: 1930
Creator: Heck, N. H. & Bodle, R. R.
open access

United States Earthquakes, 1929

Description: Report discussing earthquake activity in the United States during 1929. The report is broken down by regions and has sections for specific earthquakes.
Date: 1931
Creator: Heck, N. H. & Bodle, R. R.
open access

United States Earthquakes, 1930

Description: Report discussing earthquake activity in the United States during 1930. The report is broken down by regions and has sections for specific earthquakes.
Date: 1932
Creator: Neumann, Frank & Bodle, R. R.
open access

United States Earthquakes, 1931

Description: Report discussing earthquake activity in the United States during 1931. The report is broken down by regions and has sections for specific earthquakes.
Date: 1932
Creator: Neumann, Frank
open access

United States Earthquakes, 1932

Description: Report discussing earthquake activity in the United States during 1932. The report is broken down by regions and has sections for specific earthquakes.
Date: 1932
open access

United States Earthquakes, 1933

Description: Report discussing earthquake activity in the United States during 1933. The report is broken down by regions and has sections for specific earthquakes.
Date: 1933
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