TY - RPRT TI - Radiocarbon dating of small terrestrial gastropod shells in North America AU - J.S. Pigati AU - J.A. Rech AU - J.C. Nekola PY - 2010 DO - 10.1016/j.quageo.2010.01.001 UR - https://pubs.usgs.gov/publication/70036482 ID - 70036482 ER -