Author
DNAG
1
Dallmeyer, R. D.
1
Decade of North American Geology Project
1
Geological Society of America
Haworth, R. T.
1
International Geological Correlation Programme
1
International Union of Geological Sciences
1
Keen, C. E.
1
Keppie, D.
1
UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ORGANIZATION
1
Williams, H.
1