Publisher
- Interior--Geological Survey1
- Karl Thiemig1
- Kokuritsu Kyokuchi Kenkyūjo1
- La Dirección1
- La Secretaría1
- MÉM, National Office of Lands and Mapping1
- Maps Inc1
- Ministère des richesses naturelles1
- National Geographic Society1
- New Brunswick, Dept. of Natural Resources1
- New Hampshire Dept. of Resources and Economic Development1
- Ontario Dept. of Mines1
- Ordnance Survey (Ireland)1
- Pneu Michelin1
- Robert MacLehose & Co., the University Press1
- Servicio Geológico de Bolivia1
- Shell1
- Sidney Schafer & Associates1
- State of Illinois, Dept. of Registration and Education, Illinois State Geological Survey1
- The Corporation1
