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South of White River

Mellette County, South Dakota
Directions
Next site in South DakotaMission · 19 mi

Can I collect here?

Pro
See who owns this land and whether it is claimedPro shows the owner, the claim on this spot and every claim within a mile.
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Based on our latest records, with claims updated from the BLM on Oct 9, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

1 mineral

Recorded here: fossil.

19 miMissionOpalized Wood, agatized wood, fossil48 miValentineAgatized Wood, opalized wood, agate, jasper58 miNear Red Cedar Island, Division no.4Fossil

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About South of White River

South of White River is a fossil collection site in Mellette, South Dakota, cataloged in the Paleobiology Database. Fossils here come from the Brule Formation, dated to the Rupelian to Whitneyan (33.9–29.5 million years ago). The depositional environment is recorded as terrestrial indet. Documented finds include Hoplophoneus dakotensis.

Geologic setting

Formation
Brule
Geologic interval
Rupelian to Whitneyan
Age
33.9–29.5 Ma
Depositional environment
terrestrial indet.
Recorded occurrences
1

Fossils found here

Hoplophoneus dakotensis
Mammalia · Nimravidae

Records and references

Data: Paleobiology Database collection 207805 (CC BY 4.0) — view the source record

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Questions about South of White River

Can you collect at South of White River?

It depends on who owns the land and whether a mining claim covers it. BLM land usually allows hand collecting for personal use, national parks allow none, and private land needs the owner’s permission. Pro members see the owner and any claims at this spot.

What minerals are found at South of White River?

Fossil.

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Meteorite nearbyA 89 kg iron meteorite was found at Bennett County in 1934, 25 miles from here.

Source: Paleobiology Database.