- Leppard, Henry M. (Henry Milton), 1886-1
- Louis, Herbert, 1900-1
- Manitoba. Surveys Branch1
- Maryland Geological Survey1
- Metropolitan District (Conn.). Commission on Regional Planning1
- Missouri. Division of Geological Survey and Water Resources1
- National Geographic Society (U.S.). Cartographic Division1
- National Geographic Society (U.S.). Cartographic Section1
- Nevada. Dept. of Highways1
- New Hampshire. State Highway Dept1
- New Jersey. Department of Conservation and Economic Development1
- Progressive Map Service, cartographer1
- Raisz, Erwin, 1893-19681
- Sacramento Chamber of Commerce, author1
- San Francisco Chamber of Commerce1
- Seghers, Guy J., cartographer1
- Statens järnvägar (Sweden), cartographer, publisher1
- U.S. Coast and Geodetic Survey1
- United States. Bureau of Agricultural Economics1
- United States. Forest Service, issuing body1
GeoBlacklight version 4.1.0
