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Louis and elsewhere in the state be disbanded. Lyon responded that such a limitation on
Federal authority "means war", and the meeting broke up. Jackson and General Price, who were in St. Louis on a safe conduct, immediately returned to Jefferson City, ordered the railroad bridges burned, and prepared for war. Lyon followed several days later, moving troops and artillery up the Missouri river by steamboat. He captured the state capitol without resistance, and routed the Missouri State Guard at the
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413:, often called the "Bull Run of the West" was a confused and bloody one. With a few exceptions, the troops on both sides fought hard and well, and in the end number told. General Lyon was killed leading a charge late in the day, and his successor, Major Schofield, concerned about low ammunition stocks withdrew towards Springfield. The exhausted southern army did not pursue.
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musket balls, 4.7 million rifle balls, 17 field cannon with full attachments, 15,700 stand of small arms, 4,600 edged weapons, and much more. Production was curtailed following the cessation of the war, although the arsenal workers (back to their normal complement of 30) did spend considerable time refurbishing and reconditioning surplus arms returned from the war.
385:, which pledged that the state and federal forces would maintain order in the parts of the state they controlled; protect the rights of all persons in their zones of control; and avoid any provocative acts. Price promised Harney that he would hold the state of the Union, and if Confederate forces entered, he would fight them.
344:, who had favored the South but had publicly pledged to uphold Missouri neutrality (at least until open hostilities between the Federal Government and the CSA), called out the Missouri Volunteer Militia for "maneuvers" about 4.5 miles (7.2 km) northwest of the arsenal at Lindell's Grove (now the campus of
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Lyon pursued
Governor Jackson and the State Guard down towards the Arkansas border. In August, with the enlistments of his Three Month regiments expiring and facing a combined force of 12,000 Missouri State Guard, Confederates and Arkansas State Troops, Lyon was forced to commit his 5,000 troops to a
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On May 10, Lyon surrounded the militia, which surrendered. While marching the
Militiamen through the streets of St. Louis back to the arsenal, a riot erupted. The troops opened fire on the crowd, killing 28 and wounding 90 civilians outright, and then killing another seven as the night progressed in
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erupted, the demand for small arms, ammunition, and artillery substantially increased. At its peak during the war years, the St. Louis
Arsenal employed over 500 civilian workers. During the two years of war, the arsenal produced 19,500 artillery rounds, 8.4 million small arms cartridges, 13.7 million
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A significant tactical victory for the
Confederates, in the end Wilson's Creek was strategically barren. The Arkansas and Confederate troops withdrew across the border, leaving Sterling Price to "liberate" Missouri on his own. While Price went on to win several subsequent engagements, in the end he
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On April 23, Brigadier
General Harney departed for Washington, leaving Captain Lyon in temporary command of the Western Department and the Arsenal. Lyon immediately began enlisting Missouri Unionist Volunteers into Federal service. This action had been ordered over a week before by Secretary of War
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The armory, which was used for assembling weapons rather than manufacturing them, had the biggest collection of rifles and muskets of any of the slave states and was fourth after
Massachusetts, District of Columbia, New York and California in total number of muskets and rifles (38,141). It also had
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While MG Price's statement was probably simply a deception to buy time, it caused consternation in the
Confederate capitol at Richmond. At that moment, envoys secretly dispatched by Governor Jackson, with Price's knowledge, were asking Confederate President Jefferson Davis to order an invasion to
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On June 11, Lyon and
Jackson met one last time, at the Planter's House hotel in St. Louis, to discuss the right of access to the interior of the state for Federal troops. Jackson demanded that Federal forces be limited to metropolitan St. Louis, and that pro-Unionist "Home Guard" companies in St
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after demands by
Missouri Unionists who felt he was allowing Governor Jackson and General Price to build a secessionist army which would eventually march on, and capture, St. Louis, the main Unionist stronghold in the state.
132:, and had easy access to the city and the river. By 1840, 22 separate buildings had been erected, and a garrison of 30 ordnance soldiers manned the site, along with 30 civilian employees, who assembled finished weapons and
289:, was accused of aiding in this transfer of arms and resigned his post in December 1860 to return to Virginia. An investigation cleared him, but many suspected that his involvement had helped arm the
124:) with a larger facility to meet the needs of the rapidly growing military forces in the West. Lt. Martin Thomas selected a 37-acre (150,000 m) tract of land on a bluff overlooking the
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The St. Louis Arsenal remained in Federal hands throughout the Civil War, and, with St. Louis firmly in Union control, provided substantial quantities of war materiel to the armies in the
333:, and midwestern Unionists continued to be concerned for the safety of the over 30,000 weapons at the Arsenal. During the evening of April 29, on orders from Secretary Cameron, Captain
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voted 98 to 1 to stay in the Union but not supply weapons or men to either side if war broke out. The security of such a large munitions depot became an immediate flash point.
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from parts supplied by private contractors and armories. In its original configuration it included Arsenal Island in the Mississippi River. The island has since disappeared.
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on June 17, 1861. This action secured most of the key strategic parts of the state for the Federal Government, which would control those areas for the rest of the war.
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The arsenal complex remains an active part of the military today, with much of it off limits to tourists and visitors. The Arsenal is maintained by the USAF and the
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In March 1869, 10 acres (40,000 m) of the old arsenal grounds were given to the City of St. Louis for the creation of Lyon Park, named for Lyon.
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Despite its enormous strategic importance, it had traditionally been lightly guarded, with a staff of forty military and civilian personnel.
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Lyon suspected the maneuvers were a thinly veiled attempt to seize the arsenal (suspicions furthered by the discovery that
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the third largest arms and munitions manufactury in the Federal system (behind Springfield, MA and Harper's Ferry, VA).
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On May 11, the Missouri General Assembly approved a measure to create the
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In 1871 the arsenal was transferred to the better secured
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ordered an expedition of Federal troops to suppress the
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and those citizens loyal to the Federal government.
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261:Learn how and when to remove this message
56:with the St. Louis Arsenal in background
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465:National Geospatial-Intelligence Agency
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141:Mexican–American War
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504:McGuire, Randy R.,
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