TY  - BOOK
AU  -  Grabau, Amadeus.
TI  -  A textbook of Geology: :  pat 1: General Geology / 
U1  -  551 GRA 
PY  - 1920///
CY  -  Boston: 
PB  -  D.C. Heath , 
KW  -  Geology
N1  -  Includes index
ER  -