Calico Mountains Archeological District
National Register of Historic Places

Calico Mountains Archeological District

Yermo, San Bernardino County, California
Listed
March 29, 1973
Type
District
Period
Listed
Ref No.
73000430

About this property

The Calico Early Man Site is a disputed archaeological site in an ancient Pleistocene lake located near Barstow in San Bernardino County in the central Mojave Desert of Southern California. In the 1960s, anthropologist, Louis Leakey, proposed the site contained artifacts created by early man, however, this proposal is not accepted by most archaeologists. This site is on and in late middle-Pleistocene fanglomerates (now-cemented alluvial debris flow deposits) known variously as the Calico Hills, the Yermo Hills, or the Yermo formation. Holocene evidence includes petroglyphs and trail segments that are probably related to outcrops of local high-quality siliceous rock (primarily chalcedony in freshwater limestone).

Location

Yermo, San Bernardino County, California

Categories

PREHISTORICCONSERVATIONEDUCATION
Sources

Property data from the National Register of Historic Places, National Park Service (public domain).

Description adapted from Wikipedia under the Creative Commons Attribution-ShareAlike 4.0 International License.

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Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
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Spotlight
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Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
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Questions about this property

When was Calico Mountains Archeological District listed on the National Register?

Calico Mountains Archeological District was listed on the National Register of Historic Places on March 29, 1973.

What type of historic resource is Calico Mountains Archeological District?

Calico Mountains Archeological District is classified as a district in the National Register of Historic Places.

What is the period of significance for Calico Mountains Archeological District?

The period of significance for Calico Mountains Archeological District is recorded as the listed era.

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