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1943 Map of Joaquin Rocks
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1943 Map of Joaquin Rocks

USGS Topo · Published 1943

About this map

Joaquin Rocks dominate the high terrain of western Fresno County, marking a rugged transition between the Cervo Hills and the floor of the San Joaquin Valley. This 1943 survey documents a landscape of large-scale ranching and early petroleum infrastructure during the early war years. Notable homesteads such as Lillis Ranch and Domengine Ranch are positioned near vital water sources like Domengine Spr, while the Mack Pumping Sta indicates the regional industrial activity in the foothills. The northern valley floor is largely open, punctuated only by the Cantua Sch and the intermittent flow of Cantua Creek. To the south, steep canyons like Nunez Can and Diaz Canyon carve through the Ridge, leading toward peaks like Black Mtn. The map preserves a moment when remote outposts like The Clearing and Jordan Ranch still served as primary landmarks in this high-desert environment.

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Map Details

Date Portrayed1943
Date Published1943
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62500
Physical Dimensions16.6 x 19.8 inches

Editions of this 1943 Joaquin Rocks Map

Historical Maps of Giffen Cantua Ranch Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain