Nomenclature of Precambrian rocks in Colorado /
Tweto, Ogden,1912-
Geological Survey (U.S.)
United States.Government Printing Office.
Washington : U.S. Govt. Print. Off.,
1977.
Appraisial of existing nomenclature and measures needed for improvement.
Bibliography: p. 16-22.
Appraisial of existing nomenclature and measures needed for improvement.
Geology, Stratigraphic
Geology, Stratigraphic