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ROCKHOUNDING

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ILLINOIS LOCAL FIELD REGION

Northwest Illinois Glacial & River Country Rockhounding Guide

Glacial erratics, river gravels and carbonate bedrock near the Mississippi corridor.

Open this region on the main mapBack to Galena

LOCAL INTERACTIVE MAP

Northwest Illinois Glacial & River Country local map

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

70records within 80 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.

Mapped leads in Northwest Illinois Glacial & River Country

The records below may represent collecting sites, managed programs, protected resources or research-only geology. Their individual status is more important than proximity.

USA Rockhounding

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

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Field principle

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

Search broadly · verify carefully · respect the land

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