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U.S. highway 81 roadcut, south of Concordia (FHSM 1331, T. willistoni type)

Cloud County, Kansas
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Next site in KansasConcordia · 6 mi

Can I collect here?

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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.

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About U.S. highway 81 roadcut, south of Concordia (FHSM 1331, T. willistoni type)

U.S. highway 81 roadcut, south of Concordia (FHSM 1331, T. willistoni type) is a fossil collection site in Cloud, Kansas, cataloged in the Paleobiology Database. Fossils here come from the Greenhorn Limestone, dated to the Late Cenomanian (100.5–93.9 million years ago). The depositional environment is recorded as marine indet. Documented finds include Trinacromerum bentonianum.

Geologic setting

Formation
Greenhorn Limestone
Geologic interval
Late Cenomanian
Age
100.5–93.9 Ma
Depositional environment
marine indet.
Recorded occurrences
1
Locality notes

"a cut on U.S. highway 81 south of Concordia, Kansas. The location is Sec. 16, T. 5S., R. 3 W."

Fossils found here

Trinacromerum bentonianum
Reptilia · Polycotylidae

Records and references

Data: Paleobiology Database collection 106182 (CC BY 4.0) — view the source record

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Questions about U.S. highway 81 roadcut, south of Concordia (FHSM 1331, T. willistoni type)

Can you collect at U.S. highway 81 roadcut, south of Concordia (FHSM 1331, T. willistoni type)?

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 U.S. highway 81 roadcut, south of Concordia (FHSM 1331, T. willistoni type)?

Fossil.

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Meteorite nearbyA 3.9 kg stony meteorite was found at Anson in 1972, 15 miles from here.

Source: Paleobiology Database.