USGS locality 4293, Hedges coal mine, Miles City, MT, lower Fort Union Fm (Paleocene of the United States)

Where: Custer County, Montana (46.4° N, 105.8° W: paleocoordinates 52.1° N, 83.4° W)

• coordinate based on political unit

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

• lower Fort Union

• formation-level stratigraphic resolution

Environment/lithology: fluvial; coal

• 8 feet above coal (Coal is 50 ft above River). From USGS unpublished log book.

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by Peale, Collier & Knowlton, Aug. 3, 1907.

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 40440: authorized by Peter Wilf, entered by Jocelyn Sessa on 23.06.2004

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.
Marchantia pealei Brown 1962