This photograph is one in a series featuring this unidentified woman and actor Johnny Mack Brown, who appeared in two films produced by Columbia Pictures: Hurricane (1929) and Against the Law (1934).
Photograph of Lorraine Nelson sitting on a boat at Lake Arrowhead. She is dressed in a bathing suit and has one hand on her knee while her other hand steers the boat.
Possibly related to Los Angeles Times article, "Varied Arrowhead Week-End Activity Incentive for Many Vacation Parties: Boat Races Lure Throng to Lake Club Trophy Competition Begins Today for Southlanders," 27 Jun. 1936: A6.