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United States Geological Survey
The United States Geological Survey (USGS) is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization has four major science disciplines, concerning...
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Summary and Analysis of the U.S. Government Bat Banding Program
This report is a summary of the Bat Banding Program (BBP) administered, coordinated, and maintained by the U.S. Bureau of Biological Survey in the Department of Agriculture and its successor, the U.S. Fish and Wildlife Service in the Department of...
Institution:
Institution reference:
- Open-File Report 2008–1363
Number of pages:
- 117
Environmental Effects of Historical Mining in the Animas River Watershed, Southwestern Colorado
The U.S. Geological Survey has completed an environmental study of historical mining in the Animas River watershed upstream of the town of Silverton, southwestern Colorado, using the watershed approach. Results of the study are being used by State...
Institution:
The State of the Birds
Birds are a priceless part of America’s heritage. They are beautiful, they are economically important—and they reflect the health of our environment. This State of the Birds report reveals troubling declines of bird populations during the past 40...
