Augusta

1963

1:24k

Augusta

1963

1:24k

Dearborn River

1993

1:100k

Choteau

1962

1:250k

Choteau

1958

1:250k

Choteau

1958

1:250k

Choteau

1955

1:250k

Plate XXVII. Lewis and Clark Forest Reserve, Montana, Showing distribution of forest trees.

1900

Ayers, H.B.

1:911k

Plate XIV. Lewis and Clark Forest Reserve, Montana, Showing Distribution of Forest Trees.

1900

Ayers, H.B.

1:911k

Plate VIII. Lewis and Clark Forest Reserve, Montana, by H.B. Ayers, 1899.

1899

Ayers, H.B.

1:911k