Blue-line print ; 74 x 36 cm on sheet 79 x 61 cm. Survey was competed on March 8, 1924. Signed by the owners of the piece of property for the addition Roy W. Martin, Forest R. Mildren, William E. Ferron, and A. W. Ham, signed by the surveyor J.T. McWilliams, and notarized on March 31, 1924. Approved by the Board of City Commissioners and signed by the major W. C. German and by Florence S. Doherty, city clerk, on April 1, 1924. Recorded in Book 1 of plats, page 47. Includes township and range grid.
Black and white image of the downstream face of Hoover Dam and its power plant at night, as seen from the lower portal road at the dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
From the Howard Cannon Photograph Collection (PH-00192). Stamped on verso: "Edward J. Allen Associates, INC. Nevadas Largest Photographic Organization P.O. Box 4253 - Las Vegas Nevada 89106"