Exploratory drilling for evidence of zinc and lead ore in Dubuque County, Iowa /

Bibliographic Details
Main Authors:	Flint, Arthur E., 1913- (Author), Brown, C. Ervin (Clarence Ervin), 1925- (Author)
Corporate Author:	Iowa Geological Survey (sponsoring body.)
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1956.
Series:	Geological Survey bulletin ; 1027-K. Contributions to economic geology.
Subjects:	Lead ores > Iowa > Dubuque County. Zinc ores > Iowa > Dubuque County. Lead ores. Zinc ores. Iowa > Dubuque County.
Online Access:	https://purl.fdlp.gov/GPO/gpo63750

Available Online