TY  - BOOK
AU  - Shrock,Robert R.
TI  - Sequence in layered rocks
AV  - QE431.5 .S45 1948
U1  - 552 
PY  - 1948///
CY  - New York
PB  - McGraw-Hill Book Co.
KW  - Rocks
KW  - Geology, Structural
KW  - Geology
KW  - Fieldwork
N1  - Bibliography: p. 450-483
ER  -