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IOWA CITY ROCKHOUNDING HUB

Rockhounding Near Dubuque, Iowa

Dubuque anchors lead-zinc history, Mississippi bluff geology and Driftless-area research.

128records within 75 mi
8core atlas
120USGS Research
0Ready
0Conditional

LOCAL INTERACTIVE MAP

Rockhounding map near Dubuque

Explore nearby Iowa records without leaving this hub. Status, coordinate precision and access evidence determine whether a pin is a realistic field destination.

100records within 75 mi
Map
Land intelligence
Precision
This hub map shows nearby records only.Land and claim layers are planning aids, not collecting permission.
Mining / quarry context. General comparison image, not a photograph of this specific field region.
Mining / quarry context

Reference photograph used for rock and mineral identification. It is not from this exact location or a guarantee that collecting is permitted.

What is this area strongest for?

This hub uses Dubuque as a geographic base, while the material mix is calculated from the records actually mapped around it.

Field regions around Dubuque

Nearby records worth opening individually

Records are ordered by evidence status first, then distance. Open the detailed guide before treating any pin as a trip destination.

Research2.9 mi

Roadcut

Phosphate

USGS Research
Research5.4 mi

Unknown

Mineral resource occurrence

USGS Research
Research6.6 mi

Unknown

Mineral resource occurrence

USGS Research
Research10.0 mi

Roadcut

Phosphate

USGS Research
Research10.3 mi

Outcrop

Phosphate

USGS Research
Research10.6 mi

Roadcut

Phosphate

USGS Research
Research11.1 mi

Unknown

Mineral resource occurrence

USGS Research
Research13.0 mi

Arnsdorf

Mineral resource occurrence

USGS Research
Research15.5 mi

Prospect

Lead

USGS Research

Iowa 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.

Open Iowa map and guides → · Global map · All state guides

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