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1966 Map of Humphreys Peak

Name: 1966 Topographic Map of Humphreys Peak
Creator: U.S. Geological Survey
Published: 1983
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1983

About this map

San Francisco Mountain dominates this survey, rising to its highest point at Humphreys Peak. The map documents a landscape defined by high-altitude volcanic terrain and early 1960s alpine recreation, centered on the Arizona Snow Bowl and its Ski Lift on the western slopes of Agassiz Peak. Lower elevations transition into the grassy expanse of Hart Prairie and Freidlein Prairie, where numerous water sources like Big Leroux Spring and Philomena Spring supported localized land use.

The presence of the Fort Valley Experimental Forest Station and its surrounding experimental plots near the Rio de Flag underscores the area's importance for silvicultural research. Traces of industrial activity are visible at the Cinder Pits near the Hochderffer Hills, while the network of trails—including Weatherford Canyon and the Jeep Trail—indicates the transition from early resource extraction and ranching at Michelbach Ranch toward the modern recreational and scientific focus of the Coconino National Forest.