TY - RPRT TI - Calcareous nannoplankton and stratigraphy of late Turonian, Coniacian, and early Santonian age of the Eagle Ford and Austin groups of Texas AU - C. C. Smith PY - 1981 DO - 10.3133/pp1075 UR - https://pubs.usgs.gov/publication/pp1075 ID - pp1075 ER -