Geology and fluorspar deposits, Northgate district, Colorado /

Bibliographic Details
Main Author:	Steven, Thomas A. (Thomas August), 1917-2013 (Author)
Format:	Government Document
Language:	English
Published:	Washington, D.C. : United States Department of the Interior, Geological Survey, 1960.
Series:	Contributions to economic geology. Geological Survey bulletin ; 1082-F.
Subjects:	Fluorspar > Colorado. Geology > Colorado.
Online Access:	https://purl.fdlp.gov/GPO/gpo70175