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Show The Earth's Crust. Interesting facts concerning the earth's crust were disclosed by Col. Sir Sidney Burrard recently. "Isos-tasy" "Isos-tasy" Is the pnrtlctilnr science which deals with the structure of the earth, and Sir Sidney told how all mountains moun-tains and heights standing abrve the sea level are compensated by deficiencies deficien-cies of matter underlying them below sen level, and that all oceans pmd sur- face hollows dipping below sea level I nre compensated by excesses of mat- j tar underlying them in the cnust. ' |