Gill Ranch and the surrounding Diablo Range backcountry are detailed in this 2012 topographic study. The landscape is defined by its dramatic drainage systems, with Garzas Cr and Coon Cr cutting through the terrain. Notable landforms such as Mustang Peak and Rooster Comb anchor the northern and central portions of the quadrangle, while The Narrows indicates where the geological structure of the region tightens along the watercourses. This map documents a largely undeveloped corridor where ranching and watershed management are the primary human imprints. Reservoirs like Bulhead Reservoir and Oak Springs Reservoir provide essential water storage in this arid environment, while named features such as Mustang Flat and Buckeye Canyon reflect the local nomenclature of the Santa Clara County interior.
19 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
This is the sole edition of this map. No revisions or reprints were ever made.
1919 · Orestimba
USGS Topo · 1:62,500
1919 · Orestimba Creek
USGS Topo · 1:31,680
1920 · Pacheco Pass
USGS Topo · 1:62,500
1921 · Gilroy Hot Springs
USGS Topo · 1:62,500
1938 · Mt. Boardman
USGS Topo · 1:62,500
1939 · Gilroy Hot Springs
USGS Topo · 1:62,500
1940 · Gilroy Hot Springs
USGS Topo · 1:62,500
1940 · Pacheco Pass
USGS Topo · 1:62,500
1941 · Orestimba
USGS Topo · 1:62,500
1942 · Mt. Boardman
USGS Topo · 1:62,500