61C. S.W. Colorado, San Juan Mining Region.

1876

Wheeler, G.M.

1:127k

61C. Economical Features Of S.W. Colorado, San Juan Mining Region.

1877

Wheeler, G.M.

1:127k

Map of San Juan, Colorado

1880

Bolitho, Edwin

Colorado

1902

U.S. Geological Survey

1:63k

61C. Land Classification Map Of Part Of South Western Colorado.

1878

Wheeler, G.M.

1:253k

61C. SW Colorado.

1875

Wheeler, G.M.

1:253k

61C. Part Of Southwestern Colorado.

1878

Wheeler, G.M.

1:253k

Western Colorado and Part of Utah.

1881

Hayden, F.V.

1:253k

Western Colorado and Part of Utah.

1881

Hayden, F.V.

1:253k

61A. Parts Of Southwestern Colorado.

1877

Wheeler, G.M.

1:253k