policies, practices, conditions, and terms Unger, Paul W. creator text New York Haworth Food & Agricultural Products Press c2006 monographic xiv, 248 p. : 23 cm. Paul W. Unger. Includes bibliographical references (p. 4) and index. n-us--- Soil conservation United States Handbooks, manuals, etc Soil conservation United States Encyclopedias Water conservation United States Handbooks, manuals, etc Water conservation United States Encyclopedias S624.A1 U54 2006 631.4/50973 1560223294 (hard : alk. paper) 1560223308 (soft : alk. paper) 9781560223290 (hard : alk. paper) 9781560223306 (soft : alk. paper) 2005033802 http://www.loc.gov/catdir/toc/ecip063/2005033802.html http://www.loc.gov/catdir/enhancements/fy0810/2005033802-d.html http://www.loc.gov/catdir/toc/ecip063/2005033802.html http://www.loc.gov/catdir/enhancements/fy0810/2005033802-d.html UOEL 000 20211014112929.0 14171036