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SOUTH DAKOTA LOCAL FIELD REGION

East River Glacial Geology Rockhounding Guide

Glacial erratics, sedimentary material and river gravels with varied access.

Open this region on the main mapBack to Sioux Falls

LOCAL INTERACTIVE MAP

East River Glacial Geology local map

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

3records within 82 mi
Map
Land intelligence
Precision
This hub map shows nearby records only.Land and claim layers are planning aids, not collecting permission.
Metamorphic mineral reference; not rose quartz. General comparison image, not a photograph of this specific field region.
Metamorphic mineral reference; not rose quartz

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 East River Glacial Geology

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

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