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1970 Map of Forest Falls

Name: 1970 Topographic Map of Forest Falls
Creator: U.S. Geological Survey
Published: 1994
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1994

About this map

Forest Falls and Valley of the Falls sit deep in the San Bernardino Mountains, flanking the drainage of Mill Creek. This map, based on late 1960s aerial photography with 1994 revisions, details a high-elevation landscape defined by steep ridges and canyon settlements. To the north, the San Gorgonio Wilderness remains roadless, marked only by paths like the Momyer Pack Trail and Vivian Creek Trail.

A notable historical landmark is the Washington Monument (Original Initial Point) on the northern boundary, serving as the foundational survey point for Southern California. The southern portion of the sheet shows the transition into agricultural and administrative lands, including Oak Glen and the Oak Glen Conservation Camp. Researchers can trace the development of mountain infrastructure through features like the Fallsvale Sch, the Diversion Dam on Potato Creek, and the Powerhouse near the San Bernardino River.