HEYL, Allen V.
Oxidized Zinc deposits of the United States / by Allen V. Heyl and C. N. Bozion. -- Madrid : United States Government Printing Office, 1962-1964 - 3v. -- (Geological Survey Bulletin ; 1135).
Contiene : Vol. I. General Geology. -- (A). -- Vol. II. Utah. -- (B). -- Vol. III. Colorado. -- (C)
Estados Unidos
Yacimientos de Zinc
553.44(73)
Oxidized Zinc deposits of the United States / by Allen V. Heyl and C. N. Bozion. -- Madrid : United States Government Printing Office, 1962-1964 - 3v. -- (Geological Survey Bulletin ; 1135).
Contiene : Vol. I. General Geology. -- (A). -- Vol. II. Utah. -- (B). -- Vol. III. Colorado. -- (C)
Estados Unidos
Yacimientos de Zinc
553.44(73)