How Healthy is the Upper Trinity River?: Biological and Water Quality Perspectives (open access)

How Healthy is the Upper Trinity River?: Biological and Water Quality Perspectives

This conference report contains discussions and papers from a symposium hosted at Texas Christian University, in Fort Worth, Texas, examining the ecological health of the Upper Trinity River, and the impacts of various human activity, such as agriculture, urbanization, and waste management. The papers cover the effect of water quality on urban rivers, long-term water quality trends in the Trinity River, solutions that may improve water quality in the river, as well as biological, agricultural and waste-water issues.
Date: 1990
Creator: Jensen, Ric
Object Type: Book
System: The UNT Digital Library

1990 Census County Block Map (Recreated): Collin County, Index

Index map for Collin County, Texas showing the distribution of census blocks and smaller inset areas for which the U.S. Census Bureau collected data. The plotted map scale is 1:76,483.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History