No relief shown. Includes sites of intrusive rock, older quartz-bearing extrusive rock, older quartz-free extrusive rock, younger quartz-free extrusive rock, metamorphic rock, quartz-bearing sedimentary rock, and limestone. "From: Der Strassenbau, Feb. 1936, p. 45." "No. A-3115-RA, OSS, 14 February 1944." Includes index to districts.