Strasburg

1955

1:24k

Strasburg

1955

1:24k

Strasburg

1955

1:24k

Denver East

1981

1:100k

Denver East

1981

1:100k

Roper School

1951

1:24k

Roper School

1950

1:24k

Roper School

1950

1:24k

Roper School

1950

1:24k

53C. Part Of Central Colorado.

1877

Wheeler, G.M.

1:253k