Gibson Reservoir

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View of the reservoir

Coordinates: 47°36′12″N 112°45′39″W / 47.60333°N 112.76083°W / 47.60333; -112.76083 (Gibson Reservoir) Gibson Reservoir is located just south of the Bob Marshall Wilderness in Montana.[1] The reservoir is formed by the concrete arch Gibson Dam and backs water up between a hilly pass for about 3 miles. The water in the dam is initially provided by spring snow runoff and carried there via the North Fork Sun River and the South Fork Sun River right after the two join. The reservoir is mainly used for irrigation control.


  1. ^ "Gibson Reservoir". Geographic Names Information System. United States Geological Survey.

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