Federal policy of controlling nonpoint source water pollution generated by federal facilities and land management practices on a watershed basis
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1999 ◽
Vol 28
(1)
◽
pp. 37-43
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2010 ◽
Vol 41
(13)
◽
pp. 1615-1626
◽
1982 ◽
Vol 18
(4)
◽
pp. 593-597
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