Commodities
PrimaryLead, Zinc
Commodity typeM
Materials
Ore mineralsGalena, Sphalerite
Economic & production
Development statusPast Producer
Identification
Deposit ID10100300
MRDS IDW044530
RegionNA
Data scoreD
Coordinates42.4964, -90.68206
References
F1 < CALVIN, SAMUEL, AND BAIN, H. F., 1900, GEOLOGY OF DUBUQUE COUNTY, IOWA: IOWA GEOLOGICAL SURVEY REPORT [1899], V. 10, P. 379-622.F2 < HEYL, A. V., AGNEW, A. F., LYONS, E. J., AND BEHRE, C. H., JR., 1959, THE GEOLOGY OF THE UPPER MISSISSIPPI VALLEY ZINC-LEAD DISTRICT: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 309, 310 P.