TY - RPRT TI - Geology and ground-water resources of the Santa Maria Valley area, California, with a section on surface-water resources AU - George Frank Worts AU - H. G. Thomasson PY - 1951 DO - 10.3133/wsp1000 UR - https://pubs.usgs.gov/publication/wsp1000 ID - wsp1000 ER -