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01530nam a2200349Ia 4500 001 672E1BBA2AC611DEA2B07B04A8D7520A 005 200904161537.0 007 he-bmb024bbca 008 921123s1987 dcuab bb f000 0 eng d 035 $a (OCoLC)27016094 040 $a GPO $c GPO $d SILO $d SILO 074 $a 0025-D (MF) 086 0 $a A 1.114:35 245 0 $a AGNPS, Agricultural Non-Point-Source Pollution Model $h microform : $b a watershed analysis tool / $c [Robert A. Young ... et al.] 260 $a [Washington, D.C.?] : $b U.S. Dept. of Agriculture, Agricultural Research Service, $c [1987] 300 $a 77 p. : $b ill., maps ; $c 28 cm. 440 0 $a Conservation research report ; $v 35 500 $a "Issued December 1987." 500 $a Cover title. 500 $a Distributed to depository libraries in microfiche. 500 $a Shipping list no.: 92-1592-M. 504 $a Includes bibliographical references (p. 49-51). 533 $a Microfiche. $b [Washington, D.C.?] : $c Supt. of Docs., U.S. G.P.O., $d [1992] $e 1 microfiche : negative. 650 0 $a Agricultural pollution $x Mathematical models. $x Mathematical models. 650 0 $a Drainage $x Mathematical models. $x Mathematical models. 700 10 $a Young, Robert A. $q (Robert Alton), $d 1931- 710 10 $a United States. $b Agricultural Research Service. 740 01 $a Agricultural Non Point Source Pollution Model. 939 $a 76249 941 $a 1 952 $l IBAX173 $d 20090701080000.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=672E1BBA2AC611DEA2B07B04A8D7520AInitiate Another SILO Locator Search