Show desert places opened the opening of 0 a railroad from a point near luxor into the libyan desert has rendered easy the approach to yie the oasis of which is re carded as a typical example of these isolated centers of life the libyan oases are deep depressions in a lofty plateau which has a maximum eleva tion of nearly dearly 2 2000 feet but the bot hot tims of the oases are only from to SOO feet above sea level they are underlain by beds of sandstone which are the sources of the water supply artesian wells feet deep form practically inexhaustible means of ir gatlon ri and such deep wells have been used from ancient times the de press luns were once the beds of lakes and the water in the sandstone probably has its sources in the abys highlan sd |