Resource Type

Atrazine Monitoring and Modeling in the Lake Lavon Watershed (open access)

Atrazine Monitoring and Modeling in the Lake Lavon Watershed

This report describes a study to identify the distribution and extent of areas potentially at risk for atrazine (a broad leaf weedkiller) runoff in the Lake Lavon watershed, which is a major water supply for the Dallas area. The report presents the results of the study and makes recommendations for how information can be used in a cost-effective watershed atrazine reduction strategy.
Date: August 2001
Creator: Atkinson, Samuel F.; Waller, William T.; Dickson, Kenneth L.; Sanmanee, Sirichai & Moreno, Maria C.
System: The UNT Digital Library
Archaeological Investigations at Five Prehistoric Sites at Lewisville Lake, Denton County, Texas (open access)

Archaeological Investigations at Five Prehistoric Sites at Lewisville Lake, Denton County, Texas

This report describes the results of excavations performed by the Institute of Applied Sciences at the Lewisville Lake project, Denton County, Texas.
Date: 1998
Creator: Ferring, C. Reid & Yates, Bonnie C.
System: The UNT Digital Library
Quantitative Analysis of Water and Biological Samples for Determination of Haleogenated Organics in the Upper Trinity River, Texas : Final Technical Report (open access)

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

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 volume.
Date: 1976
Creator: Johnson, David E.
System: The UNT Digital Library
Effects of Entrainment by the Indian Point Power Plant on Biota in the Hudson River Estuary, 1971 to 1972 (open access)

Effects of Entrainment by the Indian Point Power Plant on Biota in the Hudson River Estuary, 1971 to 1972

"This report summarizes the progress of studies conducted in 1971 and 1972 to determine the effects of entrainment of Hudson River organisms by the Indian Point nuclear power station" (p. xviii).
Date: September 1973
Creator: New York University. Medical Center. Institute of Environmental Medicine.
System: The UNT Digital Library
Effects of Entrainment by the Indian Point Power Plant on Biota in the Hudson River Estuary, 1973 (open access)

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

"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.
System: The UNT Digital Library
Excavations at the Quince Site (34AT134) Atoka County, Oklahoma (open access)

Excavations at the Quince Site (34AT134) Atoka County, Oklahoma

This volume presents findings from an excavation at the Quince Site of McGee Creek Reservoir project area. Excavations at the Quince Site disclosed deep alluvial deposits with several occupations throughout the Holocene Period. The site contains a well-preserved culturally stratified deposit dating from Paleoindian to Woodland Indian periods.
Date: 1994
Creator: Perttula, Timothy K.
System: The UNT Digital Library
An Evaluation of the Environmental Impact of Recreation Facilities Expansion at Lake Ray Roberts State Park, Isle du Bois and Johnson Branch Units (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

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 (p. 6).
Date: unknown
Creator: Texas. Parks and Wildlife Department.
System: The UNT Digital Library
Remote Sensing and GIS for Nonpoint Source Pollution Analysis in the City of Dallas' Eastern Watersheds (open access)

Remote Sensing and GIS for Nonpoint Source Pollution Analysis in the City of Dallas' Eastern Watersheds

This report describes the findings of a study conducted on the Eastern Watersheds of Lake Lavon, Lake Ray Hubbard, Lake Tawakoni, Lake Palestine and Lake Fork, which are located within the Blackland Prairie, Post Oak Savannah and Pineywoods provinces. These watersheds are among nine that provide drinking water to Dallas, Texas. The study examines the potential benefit of "remote sensing and geographic information systems (GIS) for watershed management" in these five watersheds (p. iii).
Date: June 1989
Creator: University of North Texas. Department of Biological Sciences.
System: The UNT Digital Library
Remote Sensing and GIS for Nonpoint Source Pollution Analysis in the City of Dallas' Western Watersheds (open access)

Remote Sensing and GIS for Nonpoint Source Pollution Analysis in the City of Dallas' Western Watersheds

This report describes the findings of a study conducted on the watersheds of "Lake Lewisville, Lake Ray Roberts, Lake Grapevine and the Elm Fork of the Trinity River between Lake Lewisville and Frazier Dam," which are all part of the upper Trinity drainage basin (p. 31). The study examines the potential benefit of "remote sensing and geographic information systems (GIS) for watershed management" in and around Dallas, Texas (p. i).
Date: August 1988
Creator: University of North Texas. Department of Biological Sciences.
System: The UNT Digital Library
Appendix A: Jones Cemetery (open access)

Appendix A: Jones Cemetery

This appendix contains an alphabetized and annotated list of burials identified in Jones Cemetery, with available birth and death rates. This study represents the findings of research done on the Jones and Johnson farms, "situated in Johnson Branch Park in the north-central portion of the Ray Roberts Lake area." The purpose of the study was to offset future disturbances and damages to these farmsteads, and it includes "archival investigations, architectural documentation, oral-history interviews of long-time area residents and family members, farm equipment and artifact analyses, archaeological excavations, stabilization measures, and the development of interpretative exhibits for area schools, museums, and the general public" (p. i).
Date: 1996
Creator: University of North Texas. Institute of Applied Sciences.
System: The UNT Digital Library
Appendix B: Texas General Land Office Archives: Data on Selected Land Surveys Related to Settlement of Johnson Park and Vicinity (open access)

Appendix B: Texas General Land Office Archives: Data on Selected Land Surveys Related to Settlement of Johnson Park and Vicinity

The information in this appendix was abstracted from the original land record files. This study represents the findings of research done on the Jones and Johnson farms, "situated in Johnson Branch Park in the north-central portion of the Ray Roberts Lake area." The purpose of the study was to offset future disturbances and damages to these farmsteads, and it includes "archival investigations, architectural documentation, oral-history interviews of long-time area residents and family members, farm equipment and artifact analyses, archaeological excavations, stabilization measures, and the development of interpretative exhibits for area schools, museums, and the general public" (p. i).
Date: 1996
Creator: University of North Texas. Institute of Applied Sciences.
System: The UNT Digital Library
Appendix C: Land Acquisition and Conveyance Transactions Among the Jones, Everly, and Johnson Families (open access)

Appendix C: Land Acquisition and Conveyance Transactions Among the Jones, Everly, and Johnson Families

This appendix presents data relating to the acquisition, ownership and transfer of land by the Jones, Everly, Johnson, and related families. This study represents the findings of research done on the Jones and Johnson farms, "situated in Johnson Branch Park in the north-central portion of the Ray Roberts Lake area." The purpose of the study was to offset future disturbances and damages to these farmsteads, and it includes "archival investigations, architectural documentation, oral-history interviews of long-time area residents and family members, farm equipment and artifact analyses, archaeological excavations, stabilization measures, and the development of interpretative exhibits for area schools, museums, and the general public" (p. i).
Date: 1996
Creator: University of North Texas. Institute of Applied Sciences.
System: The UNT Digital Library
Appendix D: Genealogical Data for the Jones, Everly, and Johnson Families (open access)

Appendix D: Genealogical Data for the Jones, Everly, and Johnson Families

This appendix provides genealogical data for the direct descendants of Pollie Jones-Jones-Burden, George Washington Jones and Easter Ann Montgomery, and John Johnson and Susan Self. This study represents the findings of research done on the Jones and Johnson farms, "situated in Johnson Branch Park in the north-central portion of the Ray Roberts Lake area." The purpose of the study was to offset future disturbances and damages to these farmsteads, and it includes "archival investigations, architectural documentation, oral-history interviews of long-time area residents and family members, farm equipment and artifact analyses, archaeological excavations, stabilization measures, and the development of interpretative exhibits for area schools, museums, and the general public" (p. i).
Date: 1996
Creator: University of North Texas. Institute of Applied Sciences.
System: The UNT Digital Library
Appendix E: Population Census for Jones, Everly, Johnson, and Related Families Residing in the Project Area and Vicinity (open access)

Appendix E: Population Census for Jones, Everly, Johnson, and Related Families Residing in the Project Area and Vicinity

This appendix provides population census data for the Jones, Johnson, Everly, and related families in the project area. This study represents the findings of research done on the Jones and Johnson farms, "situated in Johnson Branch Park in the north-central portion of the Ray Roberts Lake area." The purpose of the study was to offset future disturbances and damages to these farmsteads, and it includes "archival investigations, architectural documentation, oral-history interviews of long-time area residents and family members, farm equipment and artifact analyses, archaeological excavations, stabilization measures, and the development of interpretative exhibits for area schools, museums, and the general public" (p. i).
Date: 1996
Creator: University of North Texas. Institute of Applied Sciences.
System: The UNT Digital Library
Appendix F: Tax Roll Data for the Jones, Everly, Johnson, and Related Families in the Project Area or Vicinity Between 1850 and 1910 (open access)

Appendix F: Tax Roll Data for the Jones, Everly, Johnson, and Related Families in the Project Area or Vicinity Between 1850 and 1910

This appendix provides data on the real estate and personal property owned by a selected group of families or individuals in the Ray Roberts Lake project area. This study represents the findings of research done on the Jones and Johnson farms, "situated in Johnson Branch Park in the north-central portion of the Ray Roberts Lake area." The purpose of the study was to offset future disturbances and damages to these farmsteads, and it includes "archival investigations, architectural documentation, oral-history interviews of long-time area residents and family members, farm equipment and artifact analyses, archaeological excavations, stabilization measures, and the development of interpretative exhibits for area schools, museums, and the general public" (p. i).
Date: 1996
Creator: University of North Texas. Institute of Applied Sciences.
System: The UNT Digital Library
Historic Archaeology of the Johnson and Jones Farmsteads in the Ray Roberts Lake Area: 1850-1950 (open access)

Historic Archaeology of the Johnson and Jones Farmsteads in the Ray Roberts Lake Area: 1850-1950

This study represents the findings of research done on the Jones and Johnson farms, "situated in Johnson Branch Park in the north-central portion of the Ray Roberts Lake area." The purpose of the study was to offset future disturbances and damages to these farmsteads, and it includes "archival investigations, architectural documentation, oral-history interviews of long-time area residents and family members, farm equipment and artifact analyses, archaeological excavations, stabilization measures, and the development of interpretative exhibits for area schools, museums, and the general public" (p. i).
Date: 1996
Creator: University of North Texas. Institute of Applied Sciences.
System: The UNT Digital Library
Pre-impoundment Environmental Study of Ray Roberts Lake (open access)

Pre-impoundment Environmental Study of Ray Roberts Lake

"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 (p. 3).
Date: December 1987
Creator: University of North Texas. Institute of Applied Sciences.
System: The UNT Digital Library
Toxicological Case Study of Dallas' Central Wastewater Treatment Plant Effluent and Ambient Trinity River Samples: 1989, 1990, 1991 (open access)

Toxicological Case Study of Dallas' Central Wastewater Treatment Plant Effluent and Ambient Trinity River Samples: 1989, 1990, 1991

"This study was implemented voluntarily by personnel at Dallas Water Utilities in response to concerns that the Dallas Central Wastewater Treatment Plant was adversely affecting downstream water quality." The treatment plant was studied to determine whether it was "discharging toxic materials in toxic amounts to the Trinity River" (p. 1).
Date: 1991
Creator: University of North Texas. Institute of Applied Sciences.
System: The UNT Digital Library