Report of the Superintendent ... Showing the Progress of the Work

additional airway maps angulation areas Atlantic Behm Canal bench marks bureau Calif Cape charge Chartered launch charts Chesapeake Bay chief Coast and Geodetic Coast Pilot comdg completed control surveys cooperation cost Current observations Current Tables datum Dimensions earthquake east coast engineers engr Ensign Ensign G. E. equipment exec field First-order leveling first-order tri first-order triangulation fiscal year 1930 Geodetic Survey Georges Bank Harbor Hawaii Hawaiian Islands hydrography inches increase Inlet instruments Jack Senior July Kenai Peninsula Kodiak Island Laplace latitude Long Island Sound low water Lydonia ment methods miles observatory Persons conducting operations Philippine Islands photographs Point Reyes Port primary tide stations Reconnaissance for first-order River Scale SEISMOLOGY Shore party Sound Southeast Alaska Special Publication Stikine River Sumner Strait tidal tide and current Tide observations Tide Tables tion topography United vicinity wire drag Wrangell Narrows