TY - RPRT TI - Middle Miocene Foraminifera and stratigraphic relations in the Adelaida quadrangle, San Luis Obispo County, California AU - Patsy Beckstead Smith AU - David L. Durham PY - 1968 DO - 10.3133/b1271a UR - https://pubs.usgs.gov/publication/b1271A ID - b1271A ER -