4 profiles on 1 sheet : manuscript ; sheet 22 x 187 cm
OCLC
ocn910849519
Cartographic Data
Horizontal scale approximately 1:253,440. Vertical scale not identified
Pen and ink on tracing cloth.
Title supplied by cataloger.
[Valleys of Fisbery Creek, Missoula River, Hellgate River, Beer-Lodge River, Big-Mole River, and Jefferson Rivers] -- [Valleys of the Big Blackfeet and Dearborn River] -- [Valleys of the S. Blackfoot River, Ten Mile Creek, and Missouri River] -- [Little Pipestone Pass]