TY  - RPRT
TI  - A preliminary report on the pollen and spores of the pre-Selma Upper Cretaceous strata of western Alabama
AU  - Estella B. Leopold
PY  - 1964
DO  - 10.3133/b1160e
UR  - https://pubs.usgs.gov/publication/b1160E
ID  - b1160E
ER  -