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ILLINOIS CITY ROCKHOUNDING HUB

Rockhounding Near Harrisburg, Illinois

Harrisburg is the strongest planning hub for southern Illinois fluorspar geology, Shawnee National Forest and Cave-in-Rock country.

Open this area on the main mapBrowse nearby records
140records within 85 mi
2core atlas
138USGS Research
0Ready
0Conditional

LOCAL INTERACTIVE MAP

Rockhounding map near Harrisburg

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

100records within 85 mi
Map
Land intelligence
Precision
This hub map shows nearby records only.Land and claim layers are planning aids, not collecting permission.
Calcite / fluorspar-district reference. General comparison image, not a photograph of this specific field region.
Calcite / fluorspar-district reference

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 Harrisburg as a geographic base, while the material mix is calculated from the records actually mapped around it.

Fluorite & Fluorspar132 nearby recordsCalcite & Barite7 nearby recordsLead & Zinc23 nearby recordsSandstone & Canyons0 nearby records

Field regions around Harrisburg

Cave-in-Rock & Rosiclare Fluorspar DistrictHistoric fluorite, calcite, barite, galena and sphalerite country; much of the district is research context rather than open collecting ground.Shawnee & Southern IllinoisNational Forest, sandstone, placer and protected natural-area contexts with location-specific collection rules.

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.

Research8.6 mi

King

Fluorite

USGS Research
Research14.8 mi

Hamp Mine

Fluorite

USGS Research
Research16.0 mi

Red

Fluorite

USGS Research
Research16.2 mi

Diamond

Fluorite

USGS Research
Research16.4 mi

Gaskins Mine

Fluorite, Lead, Zinc

USGS Research

USA Rockhounding

A 50-state field atlas for finding places, understanding current status, and navigating carefully.

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A map marker helps you investigate a place. It does not replace current land ownership, posted rules, permits, claims, closures, or local restrictions.

Metal detecting

USA Rockhounding · 50-state field discovery

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