TY - RPRT TI - Distribution and taxonomy of late Quaternary diatoms from gravity cores L13-81-G117, L13-81-G138, L13-81-G145, and TT197-G330, Northern California continental slope AU - Eileen Hemphill-Haley PY - 1993 DO - 10.3133/ofr93340 UR - https://pubs.usgs.gov/publication/ofr93340 ID - ofr93340 ER -