This July 6, 1972 newsletter written by Henry Lansford describes a heavy day for cloud seeding during which 46 flares were used to seed the clouds, as well as a second cloud seeding day using nine flares. Dropsondes were used to collect data from a storm near the Nebraska line. Three more foreign... Show moreThis July 6, 1972 newsletter written by Henry Lansford describes a heavy day for cloud seeding during which 46 flares were used to seed the clouds, as well as a second cloud seeding day using nine flares. Dropsondes were used to collect data from a storm near the Nebraska line. Three more foreign scientists visit the station. Show less