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1969 Map of Grape Mtn

Name: 1969 Topographic Map of Grape Mtn
Creator: U.S. Geological Survey
Published: 1977
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1977

About this map

Arrowrock Reservoir and the South Fork Boise River dominate this canyon-heavy landscape within the Boise National Forest as it appeared in the late 1960s. The survey captures the sharp topography around Grape Mtn and the unique landmark of Rock Pinnacle, where the river makes a dramatic westward turn. This is a region defined by its hydrology and drainage patterns, with numerous named gulches and creeks such as Nibbler Gulch, Soap Creek, and Deadman Creek feeding the larger river system.

Human activity is concentrated along the arterial Blacks Creek Road and at the Irish Creek Boat Ramp, highlighting the area's transition toward recreational utility. The settlement of Nevins stands as a lonely named location amidst the complex network of mountain drainages. For genealogists and local historians, the map provides a clear record of the landscape before modern developments, identifying family-named features like Hutton Creek and Fornham Creek that define the local geography.