- Sanborn Map Company51
- United States. Forest Service. Northern Region49
- Great Britain. Ordnance Survey48
- Pneu Michelin (Firm), cartographer47
- Sanson, Nicolas, 1600-166747
- United States. Forest Service. Pacific Northwest Region46
- C.S. Hammond & Company45
- Homann, Johann Baptist, 1663-172445
- Pneu Michelin (Firm)45
- Porcacchi, Thomaso, approximately 1530-1585?45
- Visscher, Nicolaes, 1649-1702, cartographer45
- Soviet Union. Glavnoe upravlenie geodezii i kartografii44
- United States. Public Roads Administration44
- Geological Survey (U.S.), cartographer43
- United States. Forest Service. Rocky Mountain Region43
- Wit, Frederik de, cartographer43
- Anville, Jean Baptiste Bourguignon d', 1697-1782, cartographer41
- Japan. Kaijō Hoanchō. Suirobu41
- United States. Forest Service. Intermountain Region41
- Canadian Hydrographic Service40
GeoBlacklight version 4.1.0
