Thornburgh quadrangle, Colorado 7.5 minute series (topographic) /
| Main Author: | Geological Survey (U.S.) |
|---|---|
| Format: | Map |
| Language: | English |
| Published: |
Reston, Va. :
U.S. Geological Survey,
1988.
|
| Physical Description: |
1 map : color ; 58 x 45 cm, on sheet 69 x 56 cm. |
| Edition: | Photorevised 1987. |
| Subjects: |