Kilbourne Mine
Lead, Zinc
USGS ResearchIOWA LOCAL FIELD REGION
Historic galena and sphalerite geology around Dubuque, mostly research/heritage context.
LOCAL INTERACTIVE MAP
Explore nearby Iowa records without leaving this hub. Status, coordinate precision and access evidence determine whether a pin is a realistic field destination.

Reference photograph used for rock and mineral identification. It is not from this exact location or a guarantee that collecting is permitted.
The records below may represent collecting sites, managed programs, protected resources or research-only geology. Their individual status is more important than proximity.
Lead, Zinc
USGS ResearchPhosphate
USGS ResearchLead
USGS ResearchLead
USGS ResearchLead, Zinc
USGS ResearchZinc, Lead
USGS ResearchLead, Zinc
USGS ResearchPhosphate
USGS ResearchPhosphate
USGS ResearchLead, Zinc
USGS ResearchLead, Zinc
USGS ResearchLead
USGS ResearchLead, Zinc
USGS ResearchLead
USGS ResearchLead, Zinc
USGS ResearchZinc, Lead
USGS ResearchLead, Zinc
USGS ResearchLead, Zinc
USGS ResearchLead, Zinc
USGS ResearchPhosphate
USGS ResearchPhosphate
USGS ResearchPhosphate
USGS ResearchMineral resource occurrence
USGS ResearchPhosphate
USGS ResearchMineral resource occurrence
USGS ResearchZinc, Lead, Iron
USGS ResearchZinc, Lead
USGS ResearchMineral resource occurrence
USGS ResearchLead, Zinc
USGS ResearchZinc, Lead
USGS ResearchPhosphate
USGS ResearchPhosphate
USGS ResearchPhosphate
USGS ResearchPhosphate
USGS ResearchPhosphate
USGS ResearchMineral resource occurrence
USGS ResearchPhosphate
USGS ResearchMineral resource occurrence
USGS ResearchLead, Zinc
USGS ResearchLead
USGS ResearchZinc, Lead
USGS ResearchMineral resource occurrence
USGS ResearchLead, Zinc
USGS ResearchZinc, Lead, Copper, Barite
USGS ResearchLead
USGS ResearchPhosphate
USGS ResearchLead
USGS ResearchMineral resource occurrence
USGS ResearchLead
USGS ResearchMineral resource occurrence
USGS ResearchThe same U.S. inventory supplies the national map, the United States view on the global map, state maps and location guides. All 24 historical-record batches are included. Ready totals include Ready with conditions for the stated activity; read the individual conditions. A documented historical record with current access details pending says Update coming soon.
Source screening is not a field inspection or collecting permission. Materials, feature details, location guides and navigation options remain attached to individual records. Local and material-specific lists can be smaller than the complete inventory.