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Publication Extents

Not all publications have extents, not all extents are completely accurate
Hydrology of Area 7, Eastern Coal Province, Ohio
Morris J. Engelke Jr., D.K. Roth, and others
1981, Open-File Report 81-815
The U.S. Geological Survey established 24 study areas in Eastern Appalachian Coal Province to appraise the hydrology and water resources from Alabama to Pennsylvania. Chemical, physical, biological, and streamflow data were collected from 138 synoptic sites in Area 7, eastern Ohio. The data are evaluated and presented in this report....
Water-resources investigations of the USGS in Texas, fiscal year 1981
Alicia A. Mitchell, H.D. Buckner
1981, Open-File Report 81-347
Water-resources investigations in Texas consist of the collection of basic records through the hydrologic-data network, interpretive studies, and research projects. The hydrologic records and the results of investigations are published by the Geological Survey or by cooperating agencies. This report describes the water-resources projects and activities of the Geological Survey...
Chemical analysis of 45 Maryland coal samples
Charles L. Oman, Linda J. Bragg, H.M. Nock, L.J. Schwarz, J.L. Harris, N. H. Rega, S.S. Crowley
1981, Open-File Report 81-1099
This report is part of a continuing program by the U.S. Geological Survey, State Geological Surveys, and the Coal Analysis Section of theU.S. Department of Energy to provide chemical data on the composition of important coal beds of the United States of America. Such data are useful in determining the...
Quality assurance practices for the chemical and biological analyses of water and fluvial sediments
Linda C. Friedman, David E. Erdman
1981, Open-File Report 81-650
This chapter contains practices used by the U.S. Geological Survey to assure the quality of analytical data for water, fluvial sediment, and aquatic organisms.These practices are directed primarily toward personnel making water-quality measurements. Some detail specific quality control techniques, others document quality assurance procedures being used by the Central Laboratories...