USGS locality 7989, Weldon; Station N.50 (Paleocene of the United States)

Where: McCone County, Montana (47.4° N, 105.6° W: paleocoordinates 53.0° N, 82.7° 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,

• Specimens were collected by A.J. Collier on June 22, 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 53532: authorized by Peter Wilf, entered by Jocelyn Sessa on 11.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• Species lists for Brown 1962 were compiled from the publication and provided for the Paleobiology Database by Drs. Steven R. Manchester and Peter R. Crane.
 Coniferales - Cupressaceae
Thuja interrupta Newberry 1868 cypress