*IMPERIAL COUNTY, CALIFORNIA*
661 Listings
Page: 1of 2	Section: 1-5 of 7	Place Names: \| Ac-Ri \|
Page: 2of 2	Section: 6-7 of 7	Place Names: \| Ri-Ze \|
Population:	142,361 2000 census
Area:	2,672,030 Acres
County Seat:	El Centro 1907 - present
Date: 1907	From San Diego County

Mining Districts
Name		Type



Spanish Missions
Name		Date
Site of Mission Purisima Concepcion (this was an early Mission and not the one by the same name in at Lompoc)		October 1780
Site of Mission San Pedro Y San Pablo De Bicuner (non-existant today)		January 7, 1781
Historical Landmarks
Number	Name	Date
182	Tumco Mines	January 6, 1884
193	Picacho Mines	1852
194	Mountain Springs Stage Station	1846
350	Site of Mission Purisima Concpecion	October 1780
568	Hernando De Alarcon Expedition	September 5, 1540
806	Fort Yuma	1849
808	Camp Salvation	September 23, 1849
845	Plank Road
921	Site of Mission San Pedro Y San Pablo De Bicuner	January 7, 1781
939	Twentieth Century Folk Art Environmentalists (Thematic) Desert Tower	1923
939	Twentieth Century Folk Art Environmentalists (Thematic) Charley's World of Lost Art	1967
944	Site of Fort Romualdo Pacheco	1826
1008	Yuma Well	March 8, 1744

The name comes from the Imperial Valley. The valley was named for the Imperial Land Company, a subsidiary of the California Development Company, which had reclaimed the southern portion of the Colorado desert for agriculture.

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Census Totals
1850	1860	1870	1880

Territorial History
1907	Created from San Diego County
	Territory from San Diego to Imperial (1907)