USGS locality 4570, 3 miles from head of Razor Creek MT, Bull Mnt, Fort Union Fm (Paleocene of the United States)
Where: Montana (46.3° N, 108.5° W: paleocoordinates 52.2° N, 86.8° W)
• coordinate estimated from map
When: Fort Union Formation, Paleocene (65.5 - 55.8 Ma)
• lower Fort Union
• formation-level stratigraphic resolution
Environment/lithology: fluvial; coal
• coal field - from USGS unpublished log book.
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Specimens were collected by L.H. Woolsey, 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/J. Sessa] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 40739: authorized by Peter Wilf, entered by Jocelyn Sessa on 29.06.2004