Varnes, David Joseph 1919-
Graphic-locator method in geologic mapping / by David J. Varnes, Tommy L. Finnell and Edwin V. Post. -- Washington : United States Government Printing Office, 1959 - 10 p. -- (Geological Survey Bulletin ; 1081-A).
Geomorfología
551.4
Graphic-locator method in geologic mapping / by David J. Varnes, Tommy L. Finnell and Edwin V. Post. -- Washington : United States Government Printing Office, 1959 - 10 p. -- (Geological Survey Bulletin ; 1081-A).
Geomorfología
551.4