TY  - BOOK
AU  - Shrock,Robert R.
TI  - Sequence in layered Rocks: a study of features and structure usefull for determining top and bottom or order of succession in Bedded and Tabular Rock bodies 
U1  - 551.8 
PY  - 1948///
CY  - New York
PB  - McGraw-Hill
KW  - Geology, Structural
KW  - Rocks, Sedimentary
KW  - Rocks, Igneous
N1  - Includes bibliographical references and index
ER  -