TY  - BOOK
AU  - Hussey,Russell C.
TI  - Historical geology: the geologic history of North America.
AV  - QE71 .H8 1947
U1  - 551.7 
PY  - 1947///
CY  - New York
PB  - McGraw-Hill Book Co.
KW  - Geology
KW  - North America
KW  - Paleontology
KW  - Geology, Stratigraphic
N1  - Includes "Reading references."
ER  -