Photo map, Northern California Sector, San Luis Obispo County, [Index]

[Washington, D.C.], The Corps, [1942?]

Index Maps

Scale 1:20,000

Polyconic proj.

Map

20 maps

41 x 42 cm.

Earth Sciences & Map Library

Covers area from Pt. Estero to the Santa Maria Valley and inland to San Luis Obispo and Arroyo Grande.
"Approx. mean declination 1942."
"Prepared under the direction of The Engineer, Ninth Corps Area; controlled mosaic by U.S. Department of Agriculture; Western Division Laboratory AAA, 1942; control by U.S.C. & G.S. and U.S.G.S.; aerial photography by U.S. Army, 1937, 1941 & 1942."
Grid, roads, and place names overprinted on maps.
Index to sheets in margin.

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