Alexandria Digital Library Feature Type Thesaurus University of California, Santa Barbara places, geographical 2002-06-03 2012-08-05 15:52:35 en badlands Areas characterized by a maze of very closely spaced, deep, narrow, steep-sided ravines, and sharp crests and pinnacles. [NIMA GEONet Designation ... Definitions http://164.214.2.59/gns/html/desig.html] 2007-11-20 13:02:17