USGS locality 6525, South bank of Heart River 1/2 mile south of Mandan (Paleocene of the United States)
Where: North Dakota (46.8° N, 100.9° W: paleocoordinates 51.6° N, 77.9° W)
• coordinate based on political unit
When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)
Environment/lithology: fluvial
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Specimens were collected by J.W. Stanton on Aug. 13, 1913
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 58020: authorized by Peter Wilf, entered by Jocelyn Sessa on 16.01.2006
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.
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