TY  - BOOK
AU  - Rankin,Charles Harry
TI  - Stratigraphy of the Colorado group, upper Cretaceous, in northern New Mexico,
T2  - Bulletin
AV  - TN24.N6 A232 no. 20
U1  - 551.77 
PY  - 1944///
CY  - Socorro, N.M.
KW  - Geology, Stratigraphic
KW  - Cretaceous
KW  - Geology
KW  - New Mexico
N1  - Bibliographical foot-notes
ER  -