00543nus0 22001811i 450 SBL067765220251003044359.020110513a19569999||||0itac50 bausb|u||||||||Monograph seriesAssociation of American geographersWashington D.C.Association of American geographers1956-Association of American geographersMILV079985ITIT-00000020110513SBL0677652 01Monograph Series1773876UNISANNIO