° . 0 #8 S HELFRICH AND RAY TABLE1 Nuclear Tests at Enewetak Atoll Operation event name Date Sandstone X-ray Yoke Zebra Greenhouse Dog ‘Easy George item Type and height, ft 4/14/48 4/30/48 5/14/48 Tower 200 Tower 200 Tower 200 4/7/81 Tower 300 Yield a 37 KT 49 KT 18.KT _o Location mo Janet, west tip Sally Yvonne. north end ¥vonne, north end 4/20/5) 5/8/51 5/24/51 Tower 300 Tower 200 Tower 200 47 KT 10/31/52 Surface Airdrop 1500 10.4MT 500 KT Yvonne, 2000’ N Nectar 5/13/54 Barge 1.69MT Mike Crater Redwing Lacros3e . 5/4/56 : Surface 40 KT Ivy ~ King 11/15/52 Castle Yurna 5/27/56 Erie Seminole Blackfoot Kickapoo Osage Inca Mohawk Apache ’ Dogwood Scaevola Pisonia Olive Pine Quince Fig §002418 Tower 300 Surface Tower 200 Tower 300 Airdrop 670 7/8/56 Barge 5/5/58 5/11/58 5/12/58 5.16/58 5.20/58 5 26/58 5 26/58 5 30/58 . Surface Barge Surface Underwater 500 Barge Barge Barge Barge 6 8/58 6.14/58 6.18/58 6 27/58 6 28/58 7/2/58 Underwater 150 Barge Barge , Barge Barge Barge 7/21/56 Hardtack, Phase | Cactus Butternut Koa Wahoo Holly Yellowwoud Magnolia Tobacco Umbrella Walnut Linden Elder Oak Sequoia 5/30/56 6/6/56 6/11/56 6/13/56 6/16/56 6.21/56 7/2/56 Huron - Tower 200 62/58 725/58 13.7KT Tower 200 Tower 300 Yvonne. north end Sally, west tip Yvonne, by airstrip Irene Yvonne, middle Salhy. north tip Yvonne. middle Pearl Ruby Mike Crater Barge Barge Fiora Mike Crater 18 KT 137 MT ~ _ 8.9 MT Yvonne, north end Yvonne. 4000° SW Gene dames, 7400'S Yvonne. 2075’ SW Janet. 6000' SW Yvonne, 3000' SW Jane}.4000' SW. Yvonne, 4000° SW Glenn. 7400’ N Janet. 6000' SW Yvonne, 2000' SW Jane:. 4000’ SW Ace reef. 3 mi SW Yvonne, 2000' SW 7. 14/58 7.17/58 7-22/58 726/58 Barge Barge Barge Barge Barge Janet. 4000° SW & 0 ‘58 Surface Yvorne. middle . & 18/58 Surface Yvonne. 561’ SW Yvonne, 12000° W Jane. 4000" SW Jane. 8500' SW Yvorne. middle ® 34 $ = ws Mike Rose Janet, west tip Ruby Janet. north tip