TY  - BOOK
AU  - Knowlton,F.H.
TI  - Contributions to the Geology and Paleontology of San Juan County, New MÚxico. Flora of the fruitland and kirtland formations
PY  - 1916///
CY  - Washington
PB  - Government Printing Office
KW  - MINERIA
N1  - Impreso
ER  -