TY  - BOOK
AU  - Longwell,Chester R.
AU  - Knopf,Adolph
TI  - Physical geology
U1  - 551 LON 
PY  - 1939///.
CY  - New York : 
PB  - John Wiley and Sons
KW  - Physical and dynamic geology
N1  - Includes index.
ER  -