Bibliography--Answer to Query
One record found for
author name Walker, R.D..
Title: Agricultural nonpoint source pollution in the midwest, pp. 497-498, In, Perspectives on nonpoint source pollution, proceedings of a national conference, Kansas City, Missouri
Author: Walker, R.D.
Publication: U.S. Environmental Protection Agency, Washington, DC, 514 pages
Year: 1985
Kansas Geological Survey
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