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1997 Map of Lake Mathews

Name: 1997 Topographic Map of Lake Mathews
Creator: U.S. Geological Survey
Published: 2000
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2000

About this map

Lake Mathews dominates the northern landscape of this Riverside County region, held by the engineering of Mathews Dam and its associated Outlet Tower. This late-twentieth-century survey documents a transition between industrial extraction and historical preservation. To the south, the Temescal Wash corridor serves as a hub for both ancient and modern activity, featuring the Indian Pictographs Historical Marker near the settlement of Arcilla and several prominent Claypit sites.

Genealogists and local historians can pinpoint the exact Site of the First House in Riverside County near the Corona Freeway, alongside mining legacies like the Cajalco Tin Mine in Eagle Valley. The terrain rises sharply toward the Gavilan Plateau and Cleveland National Forest, where peaks like Estelle Mountain and Gavilan Peak overlook a landscape of ranching outposts such as Gavilan Springs Ranch.