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Author/Creator
- Geological Survey (U.S.)21
- India. Central Pollution Control Board10
- National Atlas & Thematic Mapping Organisation (India)8
- Mississippi. Office of Pollution Control3
- O'Hara, Charles G.3
- Environment Protection Training and Research Institute (Hyderabad, India)2
- Geological Survey (U.S.), cartographer2
- McCobb, Timothy D.2
- Minnesota. Division of Waters2
- Mississippi. Dept. of Agriculture and Commerce2
- Orissa State Pollution Control Board2
- U.S. Army Kwajalein Atoll2
- Aeronomy Laboratory (U.S.)1
- Air Force Center for Engineering and the Environment (U.S.)1
- Air Force Civil Engineer Center (U.S.)1
- Arkansas Soil and Water Conservation Commission1
- Attri, S. D.1
- Belaruskae kartohrafa-headėzichnae pradpryemstva1
- Bender, David A.1
- Berg, James A.1