Subject ASC0003t4j
The geological magazine, or, Monthly journal of geology.
Decade 3:v.1 (1884), Page 398 (1884)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32520305
Keywords
Geology Stratigraphy Stratigraphy cleavage and distortion observations movement stratified rocks Sharpe cleavage shear