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1947 Map of Chalk Hills

Name: 1947 Topographic Map of Chalk Hills
Creator: U.S. Geological Survey
Published: 1975
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1975

About this map

Chalk Hills define this high-desert terrain in Owyhee County, where deep drainage systems like Twentymile Gulch and Halfway Gulch carve through the landscape. The survey captures a remote ranching environment shortly after the war, centered around Shoofly Road and the perennial flows of Shoofly Creek and Little Jacks Creek.

Settlement is sparse and tied to water sources, evidenced by the presence of Parker Ranch and the Al Sadie Ranch. A small Cem near the Parker homestead provides a specific point of interest for genealogists tracing early families in this corner of Idaho. The map's detail, compiled from 1946 aerial photography, shows the intricate network of unimproved roads and draws, including Waterspout Draw and Poison Cr, that supported the region's isolated agricultural operations.