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The Jackson Mine is an open pit iron mine in Negaunee, Michigan, extracting resources from the Marquette Iron Range.The first iron mine in the Lake Superior region, [3] Jackson Mine was designated as a Michigan State Historic Site in 1956 [2] and listed on the National Register of Historic Places in 1971. [1]
Thomas Jackson Rodman (July 31, 1816 – June 7, 1871) was an American artillerist, inventor, ordnance specialist, and career United States Army officer. [1] He served as a Union Army officer during the American Civil War , in which he was noted for his many improvements and innovations concerning the artillery used by the Union forces.
Arguably the most successful Civil War machine gun, the Gatling gun could sustain 150 rounds a minute thanks to its rotating barrel design. Although Chief of Ordnance James Wolfe Ripley was against its adoption, that did not stop individual generals like Benjamin Butler from purchasing them for their own use.
These heavy guns were intended to be mounted in seacoast fortifications. 8-inch, 10-inch, 13-inch, 15-inch, and 20-inch bore (20, 25, 33, 38, and 51 cm) Rodman guns were produced. Other than size, the guns were all nearly identical in design, with a curving bottle shape, a large flat cascabels, and ratchets or sockets for the elevating ...
Muscogee ' s casemate was built with ten gun ports, two each at the bow and stern and three on the broadside. The ship was armed with four 7-inch (178 mm) and two 6.4-inch (163 mm) Brooke rifles. The fore and aft cannons were on pivot gun mounts. The 7-inch guns weighed about 15,300 pounds (6,900 kg) and fired 110-pound (50 kg) shells.
A task force officer test fires a gun before entering spent shell casings into NIBIN system at the Jackson Police Department Firearm Training Range in Jackson, Miss., on Wednesday, April 3, 2024.
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Cliffs Shaft Mine Museum; Dorney Road Landfill; Franklin Furnace; Hibernia mines; Hill-Annex Mine State Park; Hull–Rust–Mahoning Open Pit Iron Mine; The Iron Mine, Port Henry, New York; Iron Mountain (Utah) Iron Mountain District; Iron Mountain Mine; Jackson Mine; Lake Vermilion-Soudan Underground Mine State Park; Lyon Mountain, New York