TY  - BOOK
AU  - Richards,Horace G.
TI  - Record of the rocks: the geological story of eastern North America
AV  - QE71 .R5
U1  - 557.3 
PY  - 1953///]
CY  - New York
PB  - Ronald Press Co.
KW  - Geology
KW  - North America
N1  - Includes bibliography
ER  -