=LDR 22 4500 =001 589 =082 04$a526.022 DEN =100 1\$aDent, Borden D. =245 10$aCartography: Thematic Map Design =260 \\$bWm. Brown Publishers,$c1990 =650 \0$aReserve =852 \\$bFreeman Library$h526.022 DEN