TY  - SER
ED  -  U.S. Department of the Interior.
TI  -  Palaeontology
SN  -  00310239
U1  -  PER 560 P 343 
PY  - 1957///-
CY  -  Washington, D.C. : 
PB  -  U.S. Department of the Interior, 
ER  -