- Emanovics, I. F.1
- Esselte kartor (Firm)1
- Foose, Donald W.1
- Geological Survey of Canada. Geophysical Data Centre1
- Germany. Reichsamt für Landesaufnahme1
- Gillett, Blakeney1
- Grieve, Richard A. F.1
- Harris, Kenneth L.1
- Howard, Eugene L.1
- Hunter, Jonathan A.1
- Institut géographique national (France)1
- Institut géographique national (Belgium)1
- Instituto Geográfico Militar (Ecuador)1
- Instituto Geográfico Nacional (Guatemala)1
- Marine Earth Sciences Research Programme (British Geological Survey)1
- McIntyre, David H.1
- Milstein, Randall L.1
- Moore, James Gregory, 1930-1
- Moore, Walter L., 1916-1
- Mudrey, M. G.1
GeoBlacklight version 4.1.0
