TY  - BOOK
AU  - Branson,E.B.
AU  - Tarr,W A
AU  - Branson,Carl C.
AU  - Keller,W.D.
TI  - Introduction to Geology / 
U1  - 550 BRA T  22nd ed. 
PY  - 1952///.
CY  - New York : 
PB  - McGraw-Hill Book Company, Inc., 
KW  - Geology - History
KW  - Physical geology
N1  - Includes index
ER  -