| 說明 |
185, ii p. 24 cm. |
| 系列 |
U.S. Geological survey. Bulletin no. 291 |
| Notes |
Subject series: F, Geography, 51. |
|
Issued also as House doc. no. 839, 59th Cong., 1st sess. |
| With: |
Bound With: Economic geology of the Beaver Quadrangle, Pennsylvania |
| 主題 |
Colorado -- Gazetteers.
|
| 添加作者 |
Geological Survey (U.S.)
|
| 政府出版物號碼 |
I 19.3:291 |
|
