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Ziegler Reservoir, Locality 66, Unit 7

Pitkin County, Colorado
Directions
Next site in ColoradoSpar Gulch, Pitkin County · 8 mi

Can I collect here?

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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 3, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

1 mineral

Recorded here: fossil.

8 miSpar Gulch, Pitkin CountyFossil8 miUCM locality 98053Fossil11 miIowa ChiefSilver

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About Ziegler Reservoir, Locality 66, Unit 7

Ziegler Reservoir, Locality 66, Unit 7 is a fossil collection site in Pitkin, Colorado, cataloged in the Paleobiology Database. The depositional environment is recorded as pond and the tectonic setting is non-subsiding area. Documented finds include Bembidion, Pterostichus, Hydrobius fuscipes, Thanatophilus coloradensis, Olophrum obtectum, Olophrum.

Geologic setting

Geologic interval
Late Pleistocene
Age
0.129–0.0117 Ma
Depositional environment
pond
Tectonic setting
non-subsiding area
Altitude
2705 meters
Recorded occurrences
18

Fossils found here

Bembidion
Insecta · Carabidae
Pterostichus
Insecta · Carabidae
Hydrobius fuscipes
Insecta · Hydrophilidae
Thanatophilus coloradensis
Insecta · Staphylinidae
Olophrum obtectum
Insecta · Staphylinidae
Olophrum
Insecta · Staphylinidae
Oxytelus laqueatus
Insecta · Staphylinidae
Stenus
Insecta · Staphylinidae
Lathrobium
Insecta · Staphylinidae
Elateridae
Insecta · Elateridae
Simplocaria tessellata
Insecta · Byrrhidae
Epuraea planulata
Insecta · Nitidulidae
Anthaxia prasina
Insecta · Buprestidae
Tanysphyrus (Tanysphyrus) lemnae
Insecta · Curculionidae
Scolytus piceae
Insecta · Curculionidae
Dolurgus pumilus
Insecta · Curculionidae
Limnephilidae
Insecta · Limnephilidae
Formica neorufibarbis
Insecta · Formicidae

Records and references

Data: Paleobiology Database collection 169333 (CC BY 4.0) — view the source record

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Questions about Ziegler Reservoir, Locality 66, Unit 7

Can you collect at Ziegler Reservoir, Locality 66, Unit 7?

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 Ziegler Reservoir, Locality 66, Unit 7?

Fossil.

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Source: Paleobiology Database.