| 說明 |
61 p. illus., IV pl. (part fold. incl. 2 maps in pocket) 24 cm. |
| 系列 |
U.S. Geological survey. Bulletin 350 |
| Notes |
Issued also as House doc. no. 1013, 60th Cong., 2d sess. |
| With: |
Bound With: Structure of the Berea oil sand in the Flushing quadrangle, Harrison, Belmont, and Guernsey counties, Ohio / |
| 主題 |
Petroleum -- Colorado -- Rio Blanco County.
|
| 政府出版物號碼 |
I 19.3:350 |
|
