Catherine Mustread’s Reviews > A Brief History of Phoenix > Status Update

William Beardsley hired engineer Carl Pleasant to assist with the design. ...Among the big local business casualties was the Agua Fria River Project west of Phoenix, which had been private effort since the 1880s to dam that river and reclaim land just east of the White Tank Mountains. Waddell Dam, or Frog Tanks Dam, was finally completed in 1927 under the supervision of engineer Carl Pleasant.