Middle Miocene Foraminifera and stratigraphic relations in the Adelaida quadrangle, San Luis Obispo County, California foraminifera and rocks near the type areas of the Relizian and Luisian Stages are described and their age and environments inferred Foraminifera and rocks near the type areas of the Relizian and Luisian Stages are described and their age and environments inferred Smith, Patsy Beckstead creator author. Durham, David L. 1925- author. Geological Survey (U.S.) issuing body. text bibliography dcu 1968 monographic eng remote 1 online resource (iii, 14 pages) : illustrations. by Patsy B. Smith and David L. Durham. Title from title screen (viewed September 15, 2014). Also available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/). Includes bibliographical references (pages 11-14). n-us-ca Foraminifera, Fossil California San Luis Obispo County Geology, Stratigraphic Tertiary Paleontology California San Luis Obispo County Foraminifera, Fossil Geology, Stratigraphic Paleontology Tertiary Geologic Period California San Luis Obispo County From 2 to 65 million years ago fast I 19.3:1271-A I 19.3:1271-A Middle Miocene Foraminifera and stratigraphic relations in the Adelaida quadrangle, San Luis Obispo County, California Smith, Patsy Beckstead (OCoLC)1443668 Geological Survey bulletin ; 1271-A Contributions to general geology https://purl.fdlp.gov/GPO/gpo69127 COP 140926 20211120174245.0 in00003734567 eng