Where: Wyoming (43.7° N, 104.7° W: paleocoordinates 49.2° N, 83.2° W)

• coordinate based on political unit

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

• same locality as USGS locality 8677, but in beds 250 feet lower

Environment/lithology: fluvial; siliciclastic sediments

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by R.W. Brown and C.W. Mumm on June 6, 1938.

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 57990: authorized by Peter Wilf, entered by Jocelyn Sessa on 14.01.2006

Creative Commons license: CC BY (attribution)