00439nam a2200145 a 450000500170000000800410001702000180005804100080007608200120008410000180009624501030011426400430021730000160026070000170027620260717092204.0260717s2004    ii            000 0 eng d  a9780816046782  aeng04a910.9031 aWaldman, Carl10aEncyclopedia of Exploration - Volume - ll Places Technologies and Cultural Trends /cWaldman, Carl 1aNew York :bFacts on File Inc,cc2004.  axxv, 660 p.1 aWexler, Alan