TY  - BOOK
AU  - Davis,Stanley Nelson
AU  - Reitan,Paul  H.
AU  - Pestrong,Raymond
TI  - Geology : : our physical environment / 
U1  - 551 DAV 
PY  - 1976///
CY  - New York : 
PB  - McGraw-Hill , 
KW  - Physical geology
N1  -  Includes bibliographical references and index
ER  -