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Author/Creator
- Geological Survey (U.S.)89
- United States67
- American Institute of Chemical Engineers45
- American Society of Mechanical Engineers36
- Institute of Electrical and Electronics Engineers33
- United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Water Resources and Environment, author25
- Institution of Electrical Engineers22
- United States. Department of Energy22
- American Society of Civil Engineers21
- National Science Foundation (U.S.)20
- United States. Congress. Senate. Committee on Environment and Public Works, author19
- American Chemical Society17
- Food and Agriculture Organization of the United Nations17
- Society of Photo-optical Instrumentation Engineers17
- American Society for Engineering Education15
- American Institute of Physics14
- IEEE Computer Society12
- Maryland Geological Survey12
- United States. Army. Corps of Engineers12
- Bartholomay, Roy C.11