Publisher
- United States Geological Survey24
- [s.n.]23
- General Land Office (Washington)22
- The Committee22
- The Department (St. Paul, Minnesota)21
- Thompson and Everts21
- General Land Office (Washington, D.C)18
- Sanborn Map Company (New York), 191317
- The Survey (Washington)17
- American Geographical Society (New York)15
- Indiana Geological Survey15
- U.S. Dept. of Agriculture, Soil Conservation Service (Washington.)15
- Midland Map Co.14
- Rand McNally14
- The Office (Washington, D.C)14
- Rand McNally & Co (Chicago)12
- S. Augustus Mitchell12
- U.S. Geological Survey (Washington)12
- Surveyor General's Office; Calcutta11
- Thomas F. Fitzgerald11