- Ordnance Survey10
- Rand McNally (Chicago)10
- The Service (Fort Worth, Tex.?)10
- Dept. of the Interior, General Land Office (Washington, D.C)9
- Harrison & Warner9
- J.H. Colton (New York)9
- Kenyon Company (Des Moines, Iowa)9
- Rand McNally & Company9
- Shedd & Wright (Austin, Minnesota), 19079
- State Geological Survey (Urbana, Ill.)9
- Survey of India (Calcutta)9
- The Board9
- The Service (Indianapolis, Ind.?)9
- U.S. Geological Survey (Washington, D.C)9
- USDA-SCS (Portland, Or.)9
- [publisher not identified], (St. Paul)9
- Даг. Водхоз9
- Bureau of Public Roads (Washington, D.C)8
- Geographia (London)8
- H.M. Gousha8