text New York Reinhold 1962 2nd ed. Ing ix, 334 p.: ill.; 22 cm. E.R. de Ong WATERSHED MANAGEMENT EROSION VEGETATION 632.95 632.95 ONG c INLIS000000000003791 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)