Rare Books
San Juan Mountains, Colorado
- Description
- At head of title: "Department of the Interior, U. S. Geological Survey." Indian Trail marked in pencil. Prime meridian: GM. Relief: contours. Graphic Scale: Miles. Projection: Polyconic. Printing Process: Lithography.
- Date
- [192-]
- Call number
- 299043
- Dimensions
- 83 x 100 cm
