Author Details for "Keener, O.W."
| Title | Author(s) | Publication | Year | Online Access |
|---|---|---|---|---|
| Method and cost of mining at Barr Mine, Tri-state zinc and lead district | Keener, O.W. | U.S. Bureau of Mines, Information Circular no. 6159, 9 pages | 1929 | N/A |
| Methods and costs of mining at the Hartley-Grantham Mine, Tri-state zinc and lead district | Keener, O.W. | U.S. Bureau of Mines, Information Circular no. 6286, 8 pages | 1930 | N/A |