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2012 Map of Alleghany

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

USGS Topo · Published 2012

About this map

Alleghany sits at the heart of this Sierra County landscape, a terrain defined by the deep ravines and flat ridges characteristic of the California gold country. The map traces the winding course of the Middle Yuba River and Kanaka Cr, highlighting a complex network of 19th-century settlement sites and mining-era infrastructure. From the Mack House near Rapps Ravine to the agricultural traces of Malone Orchard, the sheet documents the transition from intensive resource extraction to a more dispersed rural character.

Legacy names like Orleans Flat, Minnesota Flat, and Moores Flat speak to the once-populated benches above the river canyons. Access into these steep drainages is shown via historic routes such as Foote Crossing Rd and Plumbago Rd. The presence of several ranches, including Hagerty Ranch and Robbins Ranch, alongside landmarks like the American Hill Cabin, provides a detailed view of the remote habitation patterns still etched into the hills of the Tahoe National Forest area.