TY  - BOOK
AU  - Croneis,Carey Gardiner
AU  - Krumbein,William Christian
TI  - Down to earth: an introduction to geology 
U1  - 550 
PY  - 1936///
CY  - Chicago, Ill.
PB  - The University of Chicago Press
KW  - Geology
KW  - Earth
N1  - Includes index
ER  -