Download PDF Black Calf Reservoir (MT) USGS topo maps. These are full-sheet 7.5 Minute (1:24,000 scale) topographic maps. The red outline on the map below identifies the boundaries of the Black Calf Reservoir topo map.
Black Calf Reservoir topo maps are provided as PDF files.
Note: The most current map is the 2020 Black Calf Reservoir topographic map.