Also known as CM loc. 1929

Where: Park County, Colorado (39.3° N, 105.7° W: paleocoordinates 39.3° N, 105.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Irvingtonian (1.8 - 0.3 Ma)

Environment/lithology: terrestrial

Primary reference: A. D. Barnosky and D. L. Rasmussen. 1988. Middle Pleistocene arvicoline rodents and environmental change at 2900-meters elevation, Porcupine Cave, South Park, Colorado. Annals of Carnegie Museum 57(12):267-292 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 20304: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)