Author Details for "Walker, R.D."
| Title | Author(s) | Publication | Year | Online Access |
|---|---|---|---|---|
| Agricultural nonpoint source pollution in the midwest, pp. 497-498, <In>, Perspectives on nonpoint source pollution, proceedings of a national conference, Kansas City, Missouri | Walker, R.D. | U.S. Environmental Protection Agency, Washington, DC 514 pages | 1985 | N/A |