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Pre-impoundment Environmental Study of Ray Roberts Lake

Description: "This report presents the results of the pre-impoundment investigations" of Ray Roberts Lake. The purpose of the study is "to improve understanding of the impact of [U.S. Army Corps of Engineers] water resource projects, to provide the basis for evaluating the projects' effects on fish and wildlife resources, and to provide the opportunity for better planning and development of water resource projects and natural resource management" in the Lake Ray Roberts area, located in Denton County, Texas… more
Date: December 1987
Creator: University of North Texas. Institute of Applied Sciences.
open access

Post-impoundment Study of Ray Roberts Lake Year-Six

Description: "This report presents the results of investigations conducted six years following the impoundment of Ray Roberts Lake." The purpose of the study is "to improve understanding of the impact of [U.S. Army Corps of Engineers] water resource projects, to provide the basis for evaluating the projects' effects on fish and wildlife resources, and to provide the opportunity for better planning and development of water resource projects and natural resource management" in the Lake Ray Roberts area, locat… more
Date: December 1995
Creator: University of North Texas. Institute of Applied Sciences.
open access

Pre-impoundment Environmental Study of Ray Roberts Lake

Description: "This report presents the results of the pre-impoundment investigations" of Ray Roberts Lake. The purpose of the study is "to improve understanding of the impact of [U.S. Army Corps of Engineers] water resource projects, to provide the basis for evaluating the projects' effects on fish and wildlife resources, and to provide the opportunity for better planning and development of water resource projects and natural resource management" in the Lake Ray Roberts area, located in Denton County, Texas… more
Date: May 1988
Creator: University of North Texas. Institute of Applied Sciences.
open access

An Evaluation of the Environmental Impact of Recreation Facilities Expansion at Lake Ray Roberts State Park, Isle du Bois and Johnson Branch Units

Description: This report "presents the results and recommendations of a two month investigation conducted at Lake Ray Roberts State Park," as "part of the ongoing effort of the Texas Parks and Wildlife Department to manage and conserve the natural resources of the state and provide...enjoyable recreation areas to the citizens of Texas." The study proposes the expansion of the Isle du Bois and Johnson Branch Units of the Lake Ray Roberts State Park to accommodate the surrounding counties' population growth (… more
Date: unknown
Creator: Texas. Parks and Wildlife Department.
open access

A Water Quality and Ecological Survey of the Trinity River, Volume 2

Description: This volume of the report represents the technical findings of a study conducted on the ecological makeup of the Trinity River. The data presented includes: ambient toxicity test results and survival rates, United States Geological Survey (USGS) flow data, water quality data, as well as sediment quality data.
Date: November 1989
Creator: University of North Texas. Institute of Applied Sciences.
open access

Quantitative Analysis of Water and Biological Samples for Determination of Haleogenated Organics in the Upper Trinity River, Texas : Final Technical Report

Description: This study had three objectives: 1) to develop a method for the quantitative determination of total organic bound chlorine in water and biological samples using Source-Excited X-Ray Fluorescence, 2) to provide training in the use of analytical techniques for students from different disciplines, and 3) to use an interdisciplinary approach involving students of biology, chemistry, and physics to investigate a complex environmental problem. Only the first objective is treated in detail in this vo… more
Date: 1976
Creator: Johnson, David E.
open access

Effects of Entrainment by the Indian Point Power Plant on Biota in the Hudson River Estuary, 1973

Description: "This report summarizes the progress of studies conducted in 1973 to determine the effects on Hudson River organisms of entrainment by the Indian Point nuclear power station" with emphasis "on the potential effects of entrainment on organisms passing through the plant's condenser cooling system" (p. xxi).
Date: September 1974
Creator: New York University. Medical Center. Institute of Environmental Medicine.
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