1956 Map of Tumey Hills

About this map

Vallecitos Oil Field and the complex drainage systems of the California interior dominate this 1956 landscape, which was later updated with 1971 aerial data. The map reveals the industrial footprint of resource extraction in the high-relief terrain where the Fresno and San Benito County line traverses the Tumey Hills. Water management and energy infrastructure are visible through the inclusion of a Gaging Station on Panoche Creek and a major Pipeline cutting through the northern hills. The terrain is characterized by a network of seasonal watercourses, including Silver Creek, Tumey Gulch, and Ciervo Gulch, which carve through the Panoche Hills and Griswold Hills. This survey documents a transitional era in California's high-desert topography, showing the early expansion of oil fields and the utilitarian infrastructure required to support remote operations.