Mack Canyon Archeological Site

The Mack Canyon Archeological Site (Smithsonian trinomial: 35SH23[2]) is a prehistoric archeological site in Sherman County, Oregon, United States. Consisting of an extensive series of pit houses in a sheltered canyon, the site was occupied seasonally in winter by Columbia River tribes for about 7,000 years from after 5000 BCE to the early 19th century CE.[3]

Mack Canyon Archeological Site
U.S. National Register of Historic Places
Soil depression marking the location of a pit house at the Mack Canyon Site in 2013
Location	Address restricted[1]
Nearest city	Grass Valley, Oregon
Built	ca. 5000 BCE – ca. 1800 CE
NRHP reference No.	75001600
Added to NRHP	August 22, 1975

The site was added to the National Register of Historic Places in 1975.[2]

See also

• National Register of Historic Places listings in Sherman County, Oregon

References

1. Federal and state laws and practices restrict general public access to information regarding the specific location of this resource. In some cases, this is to protect archeological sites from vandalism, while in other cases it is restricted at the request of the owner. See: Knoerl, John; Miller, Diane; Shrimpton, Rebecca H. (1990), Guidelines for Restricting Information about Historic and Prehistoric Resources, National Register Bulletin, National Park Service, U.S. Department of the Interior, OCLC 20706997.
2. Oregon Parks and Recreation Department, Oregon Historic Sites Database, retrieved November 21, 2014.
3. Cunninghame, Brian (June 7, 1973), National Register of Historic Places Inventory — Nomination Form for Federal Properties: The Mack Canyon Archeological Site (redacted PDF), retrieved March 8, 2016.