Cloud seeding, 1965-1978

(60B) Weathercord test over Sierra range in California: John Flavin and Don Duckering, Apache aircraft, water droplet type of cloud used in Weathercord test, cloud 11 minutes after weather package exploded, copies, August 20, 1965; (206B) Charts, cloud seeding, December 28, 1965; (1400) Environmental silver studies being conducted in the field after cloud seeding, copy, September 13, 1971, photographed by: W.J.D. Kennedy; (1958B) Rocket test, cloud seeding, July 31, 1973; (2127) Cloud seeding rocket test, December 6, 1973; (2135) Extreme blow-ups of frames from Lowcam 16mm data film, taken from cloud seeding rocket, December 27, 1973; (2228) National Hail Research Experiment [NHRE] rockets cloud seeding from aircraft, Tonopah, Nevada, February 28, 1974; (2327) Cloud seed rocket test, May 10-14, 1974; (2502B) Cloud seed rocket launch assembly, August 15, 1974; (2515BC) Cloud seeding rocket plume, August 23, 1974; (2792B) Cloud seed rocket aircraft, on Atmospherics Piper aircraft, copy, February 6, 1975; (2795BC) Cloud seed aircraft, on Atmospherics Piper aircraft, copy, February 10, 1975; (4422BC) Orographic cloud seeding drawing, copy, February 2, 1978; (4780) Water and cloud seeding illustration, October 2, 1978.