Author Details for "Hackett, O.M."
| Title | Author(s) | Publication | Year | Online Access |
|---|---|---|---|---|
| Ground-water levels in the United States, 1957-61, north-central states | Hackett, O.M. | U.S. Geological Survey, Water Supply and Irrigation Paper no. 1781, 148 pages | 1964 | N/A |