TY  - BOOK
AU  - Kay, Marshall
TI  - North American geosynclines
U1  - 551.86 DDC 23
PY  - 1951///
CY  - New York
PB  - Geological Society of America
KW  - Geology
KW  - Geology - North America
KW  - Stratigraphic geology
KW  - Geosynclines
ER  -