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- Geological Survey (U.S.)272
- Geological Survey Division (Urbana, Ill.)222
- State Geological Survey (Urbana, Ill.)9
- Bureau of Geology and Mines (Rolla, Mo.)6
- Kentucky Geological Survey (Lexington, Ky.)5
- U.S. Geological Survey (U.S.)4
- War Dept., Corps of Engineers, U.S. Army (U.S.)4
- Geological Survey Division (Urbana, Ill)3
- Geological and Natural History Survey (Madison, Wis.)3
- U.S. Geological Survey (Washington, D.C.)3
- State of Missouri Bureau of Geology and Mines (Rolla, Mo.)2
- Army Map Service (U.S.)1
- Bureau of Mineral and Topographic Survey (Lexington, Ky.)1
- Geological Survey (Lexington, Ky.)1
- Geological Survey (Urbana, Ill.)1
- Geological Survey Division (Urbana Ill.)1
- Geological Survey Division (Urbana, Ill.), 1915.1
- Geological Survey Division (Urbana, Ill.), 1942.1
- Geological Survey Division (Urbana, Ill.), 1946.1
- Geological Survey Division(Urbana, Ill.)1