TY  - BOOK
AU  - Asher-Bolinder,Sigrid
ED  - United States.
TI  - Stratigraphy of reference sections in the Popotosa formation, Socorro County, New Mexico
U1  - 551.700978962 
PY  - 1988///
CY  - Washington, D.C.
PB  - United States Government Printing Office
KW  - Geology, Stratigraphic
KW  - Tertiary
KW  - Geology
KW  - New Mexico
KW  - Socorro County
KW  - Popotosa Formation (N.M.)
N1  - One ill. on folded leaf in pocket; Bibliography: p. 21-22
ER  -