Also known as Ordnance; SDSM V801; UO 2349; UWBM A8803

Where: Morrow County, Oregon (45.8° N, 119.3° W: paleocoordinates 45.8° N, 116.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Alkali Canyon Formation, Hemphillian (10.3 - 4.9 Ma)

• "relatively thin stratigraphic unit"; see Martin 1998 for stratigraphic nomenclature

• member-level stratigraphic resolution

Environment/lithology: terrestrial; unlithified, tuffaceous sandstone and tuff

Size class: macrofossils

Reposited in the SDSM

Collection methods: surface (float),

• collection on hands and knees" from a blowout

Primary reference: J. A. Shotwell. 1958. Inter-community relationships in Hemphillian (mid-Pliocene) mammals. Ecology 39(2):271-282 [J. Alroy/J. Alroy/W. Clyde]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 19116: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Nicholas Famoso

Creative Commons license: CC BY (attribution)