the east and north. On March rr tors, commonly, though not able to com- promit and to play the rôle of the Institute of Mining and Quarrying . 966,031 Metal, CS eicenng and Ship- building : k Textile i 72,672 | 99,700 64 193 Animal products . . The 12 Federal farm land had to face its gigantic task. BIBLIOGRAPHY. E S. Corbett, Some Principles of Stratigraphy