Where: Custer County, Montana (45.9° N, 105.9° W: paleocoordinates 51.6° N, 83.6° W)

• coordinate estimated from map

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

• Near top of Lebo member, 15 feet below top of hill at Last Flag

Environment/lithology: fluvial; shale

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by R.W. Brown on Sept. 25, 1929

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 53535: authorized by Peter Wilf, entered by Jocelyn Sessa on 11.09.2005

Creative Commons license: CC BY (attribution)