Shipment note to Harpers Ferry Amory, December 20 1843 [Recto]Harpers Ferry National Historical Park; National Park ServiceRectangular, blue-lined notepaper. Statement dated December 20, 1843 to Harpers Ferry armories for barrel iron; includes deductions for shipping; note for receipt of check from merchants bank in Baltimore on January 12 1844. "Harpers Ferry armory, statement December 20, 1843" written on back. Small nick left border, slight separation on bottom border; red mark on bottom border, and ink smear on left side.
Data from experiments on sand, sand bags, etc. and work relating to siege works, Morris Island, July-September 1863National Park ServiceTables of data from experiments measuring weights of dry and wet sand, data showing penetration of Sharps, Enfields, and Spencer Rifles and Coehorn mortar shells into materials such as sand bags, sand bags filled with cotton, facines, and pine. Also contains tables of data showing how much dirt can be dug by men in a period of time.
Park employees in swamp buggy, September 20 1965Everglades National Park; National Park ServiceClose up view of park employees in swamp buggy; "Thikol Sprit (off air strip), Zeb McKinney, Royal Pan (ASA 400)".