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Publisher
- Bureau of Geology and Mines (Rolla, Mo.)4
- Bureau of Mineral and Topographic Survey (Lexington, Ky.)1
- Geological Survey (Lexington, Ky.)1
- Geological Survey (U.S.)222
- Geological Survey Division (Urbana, Ill.)[remove]223
- Geological Survey and Water Resources (Rolla, Mo.)1
- Geological and Natural History Survey (Madison, Wis.)3
- Indiana Dept. of Conservation (Indianapolis, Ind.)1
- Kentucky Geological Survey (Lexington, Ky.)5
- State of Missouri Bureau of Geology and Mines (Rolla, Mo.)2
- U.S. Geological Survey (U.S.)1
- War Dept., Corps of Engineers, U.S. Army (U.S.)4