Where: Crook County, Wyoming (44.6° N, 105.4° W: paleocoordinates 50.2° N, 83.6° W)

• coordinate estimated from map

When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)

• just above coal bed, 175 ft. below Roland coal

Environment/lithology: fluvial; siliciclastic sediments

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by J.A. Davis in charge in 1910

Primary reference: R. W. Brown. 1962. Paleocene flora of the Rocky Mountains and Great Plains. United States Geological Survey Professional Paper 375:1-119 [P. Wilf/J. Sessa/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 57929: authorized by Peter Wilf, entered by Jocelyn Sessa on 10.01.2006

Creative Commons license: CC BY (attribution)