Conditional30.4 mi
Iowa Private Quarry / Gravel Pit Collecting Context
agates, quartz, fossils, calcite, glacial erratics and aggregate specimens
Core atlasIOWA LOCAL FIELD REGION
Central Iowa Glacial Country Rockhounding Guide
Glacial drift, erratics and river-gravel research around central Iowa.
LOCAL INTERACTIVE MAP
Central Iowa Glacial Country local map
Explore nearby Iowa records without leaving this hub. Status, coordinate precision and access evidence determine whether a pin is a realistic field destination.
Map
Land intelligence
Precision
This hub map shows nearby records only.Land and claim layers are planning aids, not collecting permission.
Reference photograph used for rock and mineral identification. It is not from this exact location or a guarantee that collecting is permitted.
Mapped leads in Central Iowa Glacial Country
The records below may represent collecting sites, managed programs, protected resources or research-only geology. Their individual status is more important than proximity.
Conditional30.4 mi
Iowa Roadcut / Roadside Geology Context
bedrock, fossils, glacial erratics and mineral occurrences
Core atlasResearch6.0 mi
Drill Hole
Zinc
USGS ResearchResearch10.7 mi
Occurrence
Zinc
USGS ResearchResearch15.9 mi
Unknown
Mineral resource occurrence
USGS ResearchResearch17.1 mi
Hodges Pit
Mineral resource occurrence
USGS ResearchResearch23.6 mi
Drill Hole
Zinc
USGS ResearchResearch25.6 mi
Occurrence
Zinc
USGS ResearchResearch28.0 mi
Swigert Pit
Mineral resource occurrence
USGS ResearchResearch29.6 mi
Dudley Pit
Mineral resource occurrence
USGS ResearchResearch30.4 mi
Mondt Pit
Mineral resource occurrence
USGS ResearchResearch30.4 mi
Iowa Mineral Resource & Aggregate Research
limestone, dolomite, sand, gravel, gypsum, coal, metallic-mineral history and industrial minerals
Core atlasResearch30.4 mi
Des Moines River Geology Research
river gravel, bedrock exposures, geodes and fossil context
Core atlasResearch32.0 mi
Drill Hole
Zinc
USGS ResearchResearch33.9 mi
Occurrence
Zinc
USGS ResearchResearch39.3 mi
Drill Hole
Zinc
USGS ResearchResearch41.0 mi
Drill Hole
Zinc
USGS ResearchResearch42.6 mi
Unknown
Mineral resource occurrence
USGS ResearchResearch43.5 mi
Osceola Central Shop
Mineral resource occurrence
USGS ResearchResearch44.6 mi
Occurrence
Zinc
USGS ResearchResearch45.1 mi
Iowa Pennsylvanian Coal & Shale Research
coal, shale, sandstone, ironstone and fossil context
Core atlasResearch49.6 mi
Drill Hole
Zinc
USGS ResearchResearch50.0 mi
Stanley Quarry
Mineral resource occurrence
USGS ResearchResearch51.0 mi
Occurrence
Zinc
USGS ResearchResearch52.9 mi
Occurrence
Zinc
USGS ResearchResearch53.0 mi
Occurrence
Zinc
USGS ResearchResearch53.4 mi
Occurrence
Zinc
USGS ResearchResearch55.8 mi
Occurrence
Zinc
USGS ResearchResearch56.3 mi
Unknown
Mineral resource occurrence
USGS ResearchResearch60.6 mi
Drill Hole
Zinc
USGS ResearchResearch61.2 mi
Unknown
Mineral resource occurrence
USGS ResearchResearch63.9 mi
Confidence Quarry
Mineral resource occurrence
USGS ResearchResearch64.5 mi
Drill Hole
Zinc
USGS ResearchResearch64.6 mi
Iowa River Geology Research
limestone, sandstone, glacial deposits and river gravels
Core atlasResearch65.7 mi
Anderson Pit
Mineral resource occurrence
USGS ResearchResearch66.7 mi
Unknown
Mineral resource occurrence
USGS ResearchResearch67.2 mi
Drill Hole
Zinc
USGS ResearchResearch67.5 mi
Grundy Center Pit
Mineral resource occurrence
USGS ResearchResearch67.7 mi
Drill Hole
Zinc
USGS ResearchResearch68.2 mi
Drill Hole
Zinc
USGS ResearchResearch69.5 mi
Drill Hole
Zinc
USGS ResearchIowa rockhounding inventory
4,264total source records
317Ready, including conditions
3,862historical USGS records
The 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.