Also known as Simpson's Locality 1; Fish Creek; Bear Butte; Widdecombe Creek; Widdecombe Ranch

Where: Sweetgrass County, Montana (45.8° N, 109.8° W: paleocoordinates 52.4° N, 86.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: "Upper Lebo" Beds Member ("Fort Union" (= Lebo) Formation), Torrejonian (63.8 - 60.9 Ma)

• in a stratigraphically isolated reversed polarity zone interpreted as chron C27r: Butler et al. 1987

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by Silberling

Primary reference: G. G. Simpson. 1937. The Fort Union of the Crazy Mountain field, Montana and its mammalian faunas. Bulletin of the United States National Museum 169:1-287 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14913: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd and Terri Cleary

Creative Commons license: CC BY (attribution)