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2012 Map of Lick Observatory

Name: 2012 Topographic Map of Lick Observatory
Creator: U.S. Geological Survey
Published: 2012
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2012

About this map

Mount Hamilton dominates this corner of the Diablo Range, serving as a prominent backdrop for the astronomical facilities of the Lick Observatory. The summit area includes specialized landmarks like the Crossley Reflector and the Copernicus Peak Lookout Tower atop Copernicus Peak. This high-altitude landscape is characterized by steep ridges and deep drainages, including the headwaters of Isabel Cr and Smith Cr.

Below the peaks, the topography gives way to the pastoral expanses of Halls Valley and San Felipe Valley. The map documents a legacy of large-scale landholdings, with named properties such as Grant Ranch, Evergreen Ranch, and Richmond Ranch dotting the hillsides. Significant public land is preserved within Joseph D Grant Co Park, while rural infrastructure like the Highland School reflects the area's agricultural history.