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Bear River Range

Franklin County County, Idaho
Directions
Next site in IdahoCrab Ridge, Logan River · 4 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.
Read the collecting rules by land type

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.

Nearby sites

All of Idaho
4 miCrab Ridge, Logan RiverFossil8 miAmazon Hollow Claim No. 1Azurite, calcite, chrysocolla +49 miAmazon Hollow Claim No. 2Azurite, barite, calcite +6

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About Bear River Range

Bear River Range is a fossil collection site in Franklin County, Idaho, cataloged in the Paleobiology Database. Fossils here come from the Garden City Formation, dated to the Blackhillsian (475.3–471.3 million years ago). The depositional environment is recorded as marine indet. Documented finds include Falloaster anquiroisitus.

Geologic setting

Formation
Garden City
Geologic interval
Blackhillsian
Age
475.3–471.3 Ma
Depositional environment
marine indet.
Recorded occurrences
1
Locality notes

"...specimen was recovered from the Early to Middle Ordovician Garden City Formation of the Bear River\r\nRange, Franklin County, Idaho."

Fossils found here

Falloaster anquiroisitus
NO_CLASS_SPECIFIED · Falloasteridae

Records and references

Data: Paleobiology Database collection 206507 (CC BY 4.0) — view the source record

Getting there

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Questions about Bear River Range

Can you collect at Bear River Range?

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 Bear River Range?

Fossil.

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Source: Paleobiology Database.