Loading map...

1986 Map of Big Grassy

Name: 1986 Topographic Map of Big Grassy
Creator: U.S. Geological Survey
Published: 1986
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1986

About this map

Targhee National Forest dominates this mid-1980s terrain, providing a look at the drainage systems and peaks of Fremont County. The landscape is defined by the high point at Black Mountain and the prominent Big Grassy plateau. Waterways carve through the forest in every direction, from the larger South Fork and North Fork to smaller tributaries like Partridge Creek, Split Creek, and Snow Creek.

A network of 4wd tracks and a single Trail suggest a landscape managed for forestry or limited recreational access rather than permanent settlement. The presence of features such as Baker Draw, Survey Draw, and Canyon illustrates the intricate system of ridges and valleys that characterize this part of the Idaho wilderness before modern digital mapping, preserving the specific topographic detail recorded during the 1986 field check.