=LDR 22 4500 =001 2293 =082 04$a526.028 GOR =100 1\$aGorr, Wilpen L. =245 10$aGIS tutorial updated for ArcGIS 9.2: workbook for ArcView 9 =260 \\$aRedlands, CA :$bESRI Press,$c2007 =650 \0$aBooks =700 1\$aKurland, Kristen S. =852 \\$bFreeman Library$h526.028 GOR