Experiments on schistosity and slaty cleavage /
by George F. Becker.
- Washington, Govt. Print. Off., 1904.
- 34, ii p. : ill., 7pl. ; 24 cm.
- U.S. Geological survey bulletin no. 241 .
- U.S. Geological Survey bulletin ; no. 241. .
Subject series: D, Petrography and mineralogy, 31; E Chemistry and physics, 43. Includes index.