EASTERN GRID SURVEY NO. 11, EAC 20 Survey Itinerary: 07 August 1000 Depart Long Beach 08 August 0900 Enter Eastern Grid at Point "ASH " 16 August 1215 Depart Eastern Grid at Point "Oak" 17 August 1300 Arrive Long Beach Survey Personnel: Robert L. DeLong (BFC), Richard D. Chandler and David I. Hoff. Support Vessel: USS Granville S Hall, AG 40 The excellent coverage obtained in this grid survey characterizes the fine cooperation extended by officers and crew of the Hall. Methods: Complete diurnal observations were taken while in the grid area. Nocturnal observations were limited to a few hours each night in the grid. Nine hours of laying-to time have been incorporated in the grid schedule. During this survey these hours were used to experiment with methods of capturing birds at night. A mist net and search lights were used with only mild success on one night. Subsequent attempts at mist netting were hampered by the full moon which illuminated the ship so that the search lamps had little effect. In addition a thirty foot piece of white material was rigged in one of the exposed passageways on the main deck and illuminated with search lights. This failed to attract birds, presumably due to bright moon conditions. The whaler was used for collecting on two days while in the grid. Generally choppy seas prevented its further use. Data handling has been modified during this survey in an attempt to simplify processing of these data. A chart of the nominal grid track has