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- catalog alternative "Geology and zinc lead deposits in the Couler Valley area, Dubuque County, Iowa.".
- catalog contributor b9720196.
- catalog contributor b9720197.
- catalog contributor b9720198.
- catalog contributor b9720199.
- catalog contributor b9720200.
- catalog coverage "Dubuque County (Iowa) Maps.".
- catalog created "1955.".
- catalog date "1955".
- catalog date "1955.".
- catalog dateCopyrighted "1955.".
- catalog description "Includes stratigraphic section, location map, index maps, tables, and bibliography.".
- catalog extent "1 map :".
- catalog isPartOf "Mineral investigations field studies map ; MF-42".
- catalog issued "1955".
- catalog issued "1955.".
- catalog language "eng".
- catalog publisher "Washington, D.C. : U.S. Geological Survey,".
- catalog spatial "Dubuque County (Iowa) Maps.".
- catalog spatial "Iowa Dubuque County".
- catalog spatial "Scale 1:12,000.".
- catalog spatial "a 12000".
- catalog subject "Geology Iowa Dubuque County Maps.".
- catalog subject "Lead ores Iowa Dubuque County Maps.".
- catalog subject "Zinc ores Iowa Dubuque County Maps.".
- catalog title "Geology and zinc lead deposits in the Couler Valley area, Dubuque County, Iowa.".
- catalog title "Geology and zinc-lead deposits in the Couler Valley area, Dubuque County, Iowa / by C. Ervin Brown, Lorence G. Collins, and Percy Crosby.".
- catalog type "image".