Sorsbie, Robert Fox creator text London G. Bell & sons ltd. 1938 "First edition...1910...Thoroughly revised and largely rewritten." monographic xx, 348 p. illus., diagrs. 23 cm. By Brigadier-General R. F. Sorsbie. Includes references. 0 0 0 551_000000000000000_SOR Engineering geology MCE 551 SOR