• 21 Journals, Magazines, Newspapers

• 21 Stream measurements
• 14 Water-supply
• 1 Groundwater
• 1 Hydrology

• 20 Geological Survey (U.S.). Water Resources Division
• 2 Geological Survey (U.S.)
• 1 Arkansas Geological Commission
• 1 Arkansas. Department of Pollution Control and Ecology
• 1 California. Department of Water Resources
• 1 Georgia Geologic Survey
• 1 Louisiana. Department of Transportation and Development
• 1 Minnesota. Department of Transportation
• 1 Minnesota. Division of Waters
• 1 Mississippi. Department of Natural Resources
• 1 New Jersey. Department of Environmental Protection
• 1 Oregon. Water Resources Department
• 1 Pennsylvania. Department of Environmental Resources
• 1 Philadelphia (Pa.). Water Department
• 1 United States. Army. Corps of Engineers

• 21 English

• 1 Arkansas
• 1 California
• 1 Colorado
• 1 Delaware
• 1 Georgia
• 1 Indiana
• 1 Kansas
• 1 Louisiana
• 1 Maryland
• 1 Massachusetts
• 1 Minnesota
• 1 Mississippi
• 1 Nevada
• 1 New Jersey
• 1 New Mexico
• 1 North Dakota
• 1 Ohio
• 1 Oklahoma
• 1 Oregon
• 1 Pennsylvania
• 1 Rhode Island
• 1 South Dakota
• 1 Utah

• 20 Periodicals
• 14 Statistics

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