TY - RPRT TI - Least Bell’s Vireo (Vireo bellii pusillus) and Southwestern Willow Flycatcher (Empidonax traillii extimus) surveys in the Sepulveda Dam Basin, Los Angeles County, California—2022 data summary AU - Ryan E. Pottinger AU - Barbara E. Kus PY - 2023 DO - 10.3133/dr1177 UR - https://pubs.usgs.gov/publication/dr1177 ID - dr1177 ER -