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Peck's Rex site (PROXY)

McCone County, Montana
Directions
Next site in MontanaFerguson Ranch (FR) · 8 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 Montana
8 miFerguson Ranch (FR)Fossil9 miBig Dry East QuarryFossil14 miBishop Collection 29Fossil

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About Peck's Rex site (PROXY)

Peck's Rex site (PROXY) is a fossil collection site in McCone, Montana, cataloged in the Paleobiology Database. Fossils here come from the Hell Creek Formation, dated to the Lancian (72.2–66 million years ago). The depositional environment is recorded as terrestrial indet. Documented finds include Tyrannosaurus rex.

Geologic setting

Formation
Hell Creek
Geologic interval
Lancian
Age
72.2–66 Ma
Depositional environment
terrestrial indet.
Recorded occurrences
1
Locality notes

former Walton Ranch, east of Fort Peck Lake

Fossils found here

Tyrannosaurus rex
Reptilia · Tyrannosauridae

Records and references

Data: Paleobiology Database collection 223935 (CC BY 4.0) — view the source record

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Questions about Peck's Rex site (PROXY)

Can you collect at Peck's Rex site (PROXY)?

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 Peck's Rex site (PROXY)?

Fossil.

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Source: Paleobiology Database.