"Map corrected and revised 1936 by Division of Irrigation Investigation, University of California and California Unit, Land-Use Planning Section, Resettlement Administration."
"Map corrected and revised 1936 by Division of Irrigation Investigation, University of California and California Unit, Land-Use Planning Section, Resettlement Administration."
"Revised and redrawn 1920 in cooperation with California State Dept. of Engineering; College of Agriculture, University of California; California State Water Commission."
