Also known as Hell Creek Cañon

Where: Garfield County, Montana (47.5° N, 107.1° W: paleocoordinates 54.5° N, 79.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Hell Creek Formation, Maastrichtian (72.1 - 66.0 Ma)

• "240 feet above Fort Pierre"; "Ceratops Clays, 240 feet above the Pierre shales"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; claystone

Size class: macrofossils

Collected by B. Brown, R. S. Lull, & Brooks in 1902; reposited in the AMNH

Collection methods: quarrying, surface (in situ),

Primary reference: W. Brasley. 1903. A remarkable fossil discovery. Scientific American 89(5):87 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 100852: authorized by John Alroy, entered by John Alroy on 13.12.2010, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)