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Bullwacker Coulee

Blaine County, Montana
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Next site in MontanaWoodhawk bonebed · 13 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 15, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

1 mineral

Recorded here: fossil.

Nearby sites

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About Bullwacker Coulee

Bullwacker Coulee is a fossil collection site in Blaine, Montana, cataloged in the Paleobiology Database. Fossils here come from the Judith River Formation, dated to the Middle Campanian to Late Campanian (83.6–72.2 million years ago). The depositional environment is recorded as lacustrine indet. Documented finds include Meristodonoides montanensis, Myledaphus bipartitus.

Geologic setting

Formation
Judith River
Geologic interval
Middle Campanian to Late Campanian
Age
83.6–72.2 Ma
Depositional environment
lacustrine indet.
Recorded occurrences
2
Locality notes

South of Gilmore Ranch.

Fossils found here

Meristodonoides montanensis
Chondrichthyes · Hybodontidae
Myledaphus bipartitus
Chondrichthyes · Rhinobatidae

Records and references

Data: Paleobiology Database collection 69253 (CC BY 4.0) — view the source record

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Questions about Bullwacker Coulee

Can you collect at Bullwacker Coulee?

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 Bullwacker Coulee?

Fossil.

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Source: Paleobiology Database.