Where: Custer County, Montana (46.6° N, 105.7° W: paleocoordinates 52.2° N, 83.1° W)

• coordinate based on political unit

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

Environment/lithology: fluvial; siliciclastic sediments

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Collected by R. W. Brown, J. Murata on Sept. 12, 1931

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 53687: authorized by Peter Wilf, entered by Jocelyn Sessa on 13.09.2005

Creative Commons license: CC BY (attribution)