TY - RPRT TI - Black Abalone surveys at Naval Base Ventura County, San Nicolas Island, California—2021, annual report AU - Michael C. Kenner AU - Julie L. Yee PY - 2022 DO - 10.3133/ofr20221107 UR - https://pubs.usgs.gov/publication/ofr20221107 ID - ofr20221107 ER -