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History of the Johnstown Flood Including all the Fearful Record; the Breaking of the South Fork Dam; the Sweeping Out of the Conemaugh Valley; the Over-Throw ... Juniata Rivers, and the Bald Eagle Creek.
Mason Jar Science: 40 Slimy, Squishy, Super-Cool Experiments; Capture Big Discoveries in a Jar, from the Magic of Chemistry and Physics to the Amazing Worlds of Earth Science and Biology