ol EG&G-1489 (Report: SECRET) Card: CONFIDENTIAL RD Edgerton, Germeshausen & Grier, Inc. PROGRESS FOR THE MONTH OF JUNE 1956, June 30, 1956 Erie Burst— "Alpha" Blackfoot Burst 18p. —"Alpha" _Osage Burst —"Alpha*® -DakotaBurst —"Alpha" Seminole Burst ~-Eall of Firs Flathead Burst Ball of Fire (Cont'd, on Card 2) Blackfoot Burst —Ball of Fire EG&G-1489 (Report: SECRET) Card: CONFIDENTIAL RD CARD 2 8. Kickapoo Burst—-Ball of Fire 9. OsageBurst—Ball of Fire 10, Inca Burst—Ball of Fire — ll, Dakota Burst——-Ball of Fire 12, Spark Gaps—Development I, II. Edgerton, Germeshausen & Grier, Inc, EG&G-Control 00101 a oI)