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Stock# 55773
Description

Detailed geological survey map from the WW II Period, centered on Lower Otay Reservoir, Jamul, Proctor Valley and the Jamul Mountains.

Extends from Sweetwater Reservoir and Spring Valley in the Northwest to Lawson Valley, Mellor Ranch and Lyons Peak in the Northeast, the San Ysidro Mountains in the southeastg and Otay Mesa in the Southwest.