- Canada Dept. of Mines and Technical Surveys, Geological Survey of Canada1
- Dept. of Mines and Technical Surveys, Surveys and Mapping Branch1
- E. Raisz1
- Ejército Argentino, Instituto Geográfico Militar1
- Forest Service, Regional Office1
- Generaldirektion der Post-, Telegraphen- und Telephonverwaltung1
- Geological Survey of Canada, Department of Mines and Technical Survey1
- Glavnoe upravlenie geodezii i kartografii pri Sovete Ministrov SSSR1
- Glavnoe upravlenie geodezii i kartografii,Главное управление геодезии и картографии при Совете Министров СССР1
- Great Britain, Directorate of Colonial Surveys1
- Hydrographic Office1
- Institute of Geographical Exploration, Harvard University1
- Kalmia Woods Corporation1
- London Transport,British Railways1
- McGill-Warner Co.1
- Office international de librairie1
- Robert L. Williams1
- Royaume de Belgique, Ministère des Colonies, Commission de Géologie1
- State of New York, Dept. of Commerce1
- The Club1
GeoBlacklight version 4.1.0
