Honolulu Quadrangle, Island of Oahu, City and County of Honolulu, Hawaii

Advance sheet. Scale 1:20,000. Polyconic projection, Hawaiian datum. 1000 yard grid based upon U.S. zone system, but with central meridian 158'. T. G. Gerdine, Division Engineer. A. O. Burkland, Topographic Engineer in Charge. Topography by G. S. Druhot. Control by U. S. Geological Survey, Hawaiian Territorial Survey, City and County of Honolulu, U.S. Coast and Geodetic Survey, and Air Corps U. S. Army. Surveyed in 1927-1928. Surveyed in cooperation with the Territory of Hawaii and the War Department