Author Details for "Ewing, D.A."
| Title | Author(s) | Publication | Year | Online Access |
|---|---|---|---|---|
| Soil survey of Butler County, Kansas | Penner, H.L.; Ekhart, S.C.; Ewing, D.A.; Schmidt, Gordon; and Smith, Jimmie | U.S. Department of Agriculture, Soil Conservation Service 60 pages | 1975 | N/A |