Sagamore Iron Mine (Pleistocene of the United States)

Where: Crow Wing County, Minnesota (46.5° N, 94.1° W: paleocoordinates 46.5° N, 94.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Pleistocene (0.1 - 0.0 Ma)

• "the writer had concluded that it had died out before the oncoming of the Wisconsin ice sheet."

Environment/lithology: terrestrial; poorly lithified peat

• "The bones were met within a peat swamp which forms a part of the overburden of the iron ore. This peat, about 6 or 8 feet deep, was being removed by hydraulic operations and thus the bones were exposed. They were at or near the bottom of the peat….Mr. Uhler reports that underneath the peat of the bog where the bones were found there is about 30 feet of drift. "

Size class: macrofossils

Collected by F. W. Uhler in 1921; reposited in the USNM

Collection methods: salvage,

• "The bones were met within a peat swamp which forms a part of the overburden of the iron ore. This peat, about 6 or 8 feet deep, was being removed by hydraulic operations and thus the bones were exposed. "

Primary reference: O. P. Hay. 1923. Description of remains of Bison occidentalis from central Minnesota. Proceedings of the United States National Museum 63(2473):1-8 [J. Marcot/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 146403: authorized by Jonathan Marcot, entered by Jonathan Marcot on 25.06.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Photographs enclosed in the letter showed that the bison material was valuable and also that antlers of a reindeer had been unearthed at the same place."
Show authors, comments, and common names
Mammalia
 Artiodactyla - Bovidae
Bison bison, "Bison occidentalis" = Bison antiquus
Bison bison Linnaeus 1758 American bison
"Bison occidentalis" = Bison antiquus Leidy 1852 bison
 Artiodactyla - Cervidae
Cervidae indet.
Cervidae indet. Gray 1821 deer
refers to "antlers of a reindeer," but not specifically described