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Allegheny Arsenal

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appeared before the coroner changed their testimony. There were so many discrepancies between the two hearings that most of the commonly held views of the explosion have been shown to be thoroughly discredited. In the end Col. Symington was found innocent of any wrongdoing by the army, and the court concluded that "the cause of the explosion could not be satisfactorily ascertained...."
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in 1926 and subsequently used for various industrial and commercial purposes. The arsenal's former main gate was demolished in 1947 to make more room for delivery trucks, though it remained as a pile of rubble until the site was cleared for a new supermarket in 1961. Most of the western half of the
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two days after the explosion, speculated that it had been caused "by the leaking out of powder when one of the barrels was being placed on the platform." In fact the problem of leaking barrels seemed to be the one point of agreement among all the witnesses. Alexander McBride, the Superintendent of
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held that the accident had been the result of the negligent conduct of Col. John Symington and his subordinates in allowing loose powder to accumulate on the roadway and elsewhere. However, during a subsequent military inquiry into the conduct of Col. Symington, many of the same witnesses who had
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was delivered in defective barrels with loose covers. Symington was suspicious that the "parties shipping powder may have used barrels more than once for the shipment of powder, as the barrels have been returned to them at their request." But in the end, the final word still belongs to the Army
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On Wednesday, September 17, 1862, around 2 pm, the arsenal exploded. The explosion shattered windows in the surrounding community and was heard in Pittsburgh, over two miles (3 km) away. At the sound of the first explosion, Col. John Symington, Commander of the Arsenal, rushed from his
447:. The monument was dedicated on May 27, 1928, replacing an earlier marble shaft placed shortly after the explosion which had become illegible by the 1920s. The monument lists the names of all 78 people killed in the blast along with a dedicatory text transcribed from the original monument. 333:
for rifles became a high priority. Civilian employment at the arsenal increased from a pre-war total of 308 to over 1100 workers. One of the busiest facilities was the main lab, which employed 158 workers, the majority of whom were women engaged in the making of cartridges.
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dated 1814 that was originally part of the gate was preserved and is now mounted on the old powder magazine. All of the surviving buildings, along with several sections of stone wall surrounding the former arsenal, became contributing properties to the newly created
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Work at the Arsenal continued, and a new lab was constructed by the following year. After the war, the Allegheny Arsenal served primarily as a storage facility for the Ordnance Department and Quartermaster Corps.
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quarters and made his way up the hillside to the lab. As he approached, he heard the sound of a second explosion, followed by a third. Fire fighting equipment as well as a
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of a horse had struck a spark which touched off loose powder in the roadway near the lab, which then traveled up onto the porch where it set off several barrels of
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arsenal site is now occupied by the Arsenal 201 condominium complex. Construction crews working on the condominiums uncovered caches of Civil-War-era
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inquiry and the exact cause remains unknown. Col. Symington would be placed on medical leave after the hearings and retire the following year.
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tried to douse the flames with water. The volunteer fire company from Pittsburgh arrived and assisted in bringing the fire under control.
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In the early 1900s, the War Department consolidated its operations in the western half of the arsenal grounds. The other half, above
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Health Department's Frank B. Clack Health Center. The remaining land was converted into Arsenal Park, which was dedicated on the
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A monument to those killed in the explosion is located near the graves of the unidentified victims in Section 17 of
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U.S. Allegheny Arsenal, Fortieth, Thirty-Ninth & Butler Streets, Penn Avenue, Pittsburgh, Allegheny County, PA
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Arsenal Park, part of the former arsenal site, including the surviving powder magazine (right), stone wall, and
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in Arsenal Park. Most of the arsenal buildings were demolished, but there are four still standing: the
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U.S. Allegheny Arsenal, Officers' Quarters, Thirty-ninth Street, Pittsburgh, Allegheny County, PA
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U.S. Allegheny Arsenal, N. C. O. Quarters, Thirty-ninth Street, Pittsburgh, Allegheny County, PA
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U.S. Allegheny Arsenal, Barracks Building, Thirty-ninth Street, Pittsburgh, Allegheny County, PA
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U.S. Allegheny Arsenal, Commandants' Quarters, Fortieth Street, Pittsburgh, Allegheny County, PA
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U.S. Allegheny Arsenal, Entrance Gates, Thirty-ninth Street, Pittsburgh, Allegheny County, PA
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U.S. Allegheny Arsenal, Guardhouse, Butler Street, Pittsburgh, Allegheny County, PA
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Supply center for the Union Army during the American Civil War in Lawrenceville, PA
610:"Neglected Lawrenceville park finally has a few friends - Pittsburgh Post-Gazette" 586:"The Next Page: The Allegheny Arsenal explosion -- Pittsburgh's Civil War carnage" 1342: 494: 329:. Its peak years came during the Civil War, especially when the manufacture of 304: 241:, established in 1814, was an important supply and manufacturing center for the 450: 1325: 1312: 1268: 536: 503: 325:
The arsenal served as a supply and manufacturing center for the troops in the
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The most commonly held view of the cause of the explosion was that the metal
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The powder magazine, built in 1814, is the oldest surviving arsenal building
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U.S. Allegheny Arsenal, Storehouse No. 2, Pittsburgh, Allegheny County, PA
657:"Allegheny Arsenal Explosion: Pittsburgh's worst day during the Civil War" 521: 420: 276:, a county health services complex, and a large condominium development. 250: 1226:
U.S. Allegheny Arsenal, Carriage House, Pittsburgh, Allegheny County, PA
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By the time the fire was put out, the lab had been reduced to a pile of
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in 1814. It was situated on 30 acres (12 ha) of land bordering the
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U.S. Allegheny Arsenal, Machine Shop, Pittsburgh, Allegheny County, PA
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U.S. Allegheny Arsenal, Boiler House, Pittsburgh, Allegheny County, PA
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The Arsenal was established by the U.S. Army Ordnance Department near
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began drawing attention to the deteriorating arsenal structures.
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Pittsburgh History & Landmarks Foundation Historic Landmarks
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U.S. Allegheny Arsenal, Armory, Pittsburgh, Allegheny County, PA
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the Lab, had repeatedly complained that the powder shipped by
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disaster during the war. It was located in the community of
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The western half of the arsenal remained in use through
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The explosion at the Arsenal was overshadowed by the
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drawing showing the layout of the arsenal around 1868
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It was sold to the 224: 213: 202: 190: 179: 161: 153: 116: 98: 1515:Historic American Buildings Survey in Pennsylvania 423:, which occurred on the same day near the town of 439:Inscription on the monument in Allegheny Cemetery 268:Today, the site is the location of the nine-acre 1006:Young Preservationists Association of Pittsburgh 815:"Historic Arsenal Purchased at Auction by Heinz" 365:, and 17-year-old Margaret Turney, who lived at 789:"All Do Honor in Celebrating a Glorious Fourth" 490:was built at the west end of the park in 1932. 90:Location of the Allegheny Arsenal in Pittsburgh 1151:", 3 measured drawings, 3 data pages 1135:Travel Channel video on the explosion and park 1247: 1124:- Includes a list of the names of the victims 281:Pittsburgh History & Landmarks Foundation 8: 864: 862: 685:"Passions stirred anew for an old log house" 629:"Historic arsenal needs care, official says" 21: 1254: 1240: 1232: 1221:", 2 photos, 2 measured drawings 1207:", 2 photos, 2 measured drawings 1193:", 2 photos, 3 measured drawings 1186:", 2 photos, 4 measured drawings 1179:", 7 photos, 7 measured drawings 1172:", 6 photos, 4 measured drawings 1165:", 5 photos, 4 measured drawings 1158:", 4 photos, 8 measured drawings 58: 20: 1214:", 4 photos, 1 measured drawing 1200:", 1 photo, 2 measured drawings 1100:Learn how and when to remove this message 82: 1455:City of Pittsburgh historic designations 1063:This article includes a list of general 509:Today the site of the explosion is in a 870:"Time Hangs Heavy Over Historic Stones" 584:Connors, Michael (September 12, 2010), 576: 1510:Industrial buildings completed in 1814 1505:Government buildings completed in 1814 1395:Rodef Shalom Biblical Botanical Garden 655:Pitz, Marylynne (September 16, 2012). 249:, and the site of the single largest 41:City of Pittsburgh Historic Structure 7: 895:Cassesse, Shelby (August 14, 2020). 738:"Allegheny Cemetery Historical Tour" 456:Pennsylvania state historical marker 64:Main gate of the arsenal around 1900 1500:1814 establishments in Pennsylvania 1485:1862 disasters in the United States 393:Col. Symington, in a letter to the 261:, which was annexed by the city of 1145:Historic American Buildings Survey 1069:it lacks sufficient corresponding 979:from the original on July 19, 2019 947:. Lawrenceville Historical Society 925:. Lawrenceville Historical Society 923:"Allegheny Arsenal 1862 Explosion" 14: 972:. pp. 7/7, 8/29, 8/37, 118. 555:1864 Washington Arsenal explosion 1122:Lawrenceville: Allegheny Arsenal 1054: 627:Smith, Craig (August 24, 2012). 539: 81: 74: 1027:O'Toole, Bill (July 18, 2019). 683:O'Neill, Brian (May 15, 2011). 527:Lawrenceville Historic District 476:Pittsburgh U.S. Marine Hospital 30:Pennsylvania Historical Marker 1: 945:"Allegheny Arsenal Photo Map" 1302:Chatham University Arboretum 279:In 2012, officials from the 167:; 210 years ago 1470:United States Army arsenals 1140:Allegheny Arsenal explosion 884:– via Newspapers.com. 855:– via Newspapers.com. 829:– via Newspapers.com. 803:– via Newspapers.com. 777:– via Newspapers.com. 506:in 2017 and again in 2020. 1536: 1520:Lawrenceville (Pittsburgh) 1480:Explosions in Pennsylvania 51:Pittsburgh Landmark – PHLF 1490:1862 industrial disasters 1390:Roberto Clemente Memorial 1277: 1224:HABS No. PA-8-1-L, " 1217:HABS No. PA-8-1-K, " 1210:HABS No. PA-8-1-J, " 1203:HABS No. PA-8-1-H, " 1196:HABS No. PA-8-1-G, " 1189:HABS No. PA-8-1-F, " 1182:HABS No. PA-8-1-E, " 1175:HABS No. PA-8-1-D, " 1168:HABS No. PA-8-1-C, " 1161:HABS No. PA-8-1-B, " 1154:HABS No. PA-8-1-A, " 1147:(HABS) No. PA-8-1, " 634:Pittsburgh Tribune-Review 547:American Civil War portal 69: 57: 48: 37: 26: 1475:American Civil War sites 845:Pittsburgh Sun-Telegraph 1084:more precise citations. 690:Pittsburgh Post-Gazette 662:Pittsburgh Post-Gazette 614:Pittsburgh Post-Gazette 1412:South Shore Riverfront 1358:North Shore Riverfront 458: 440: 411: 322: 184:Benjamin Henry Latrobe 1465:History of Pittsburgh 1115:The Allegheny Arsenal 616:. September 24, 2012. 488:Arsenal Middle School 453: 438: 409: 317: 274:Arsenal Middle School 157:9 acres (3.6 ha) 1292:Allegheny Riverfront 921:Powers, Tom (2012). 718:. City of Pittsburgh 425:Sharpsburg, Maryland 299:in the community of 191:Governing body/ 1495:Parks in Pittsburgh 847:. November 10, 1947 821:. November 11, 1926 519:Quartermaster Corps 499:H. J. Heinz Company 478:, which is now the 395:Ordnance Department 138:40.4666°N 79.9611°W 134: /  103:Lower Lawrenceville 23: 566:. Exploded in 1863 564:Richmond, Virginia 459: 445:Allegheny Cemetery 441: 421:Battle of Antietam 412: 400:Dupont and Company 359:Allegheny Cemetery 323: 307:, and bisected by 247:American Civil War 197:City of Pittsburgh 1442: 1441: 1429:West End Overlook 1287:Allegheny Commons 1282:Allegheny Arsenal 1110: 1109: 1102: 711:Peterson, Carol. 239:Allegheny Arsenal 235: 234: 220:February 22, 1977 143:40.4666; -79.9611 22:Allegheny Arsenal 1527: 1271: 1265: 1256: 1249: 1242: 1233: 1105: 1098: 1094: 1091: 1085: 1080:this article by 1071:inline citations 1058: 1057: 1050: 1044: 1043: 1041: 1039: 1024: 1018: 1017: 1015: 1013: 1003: 995: 989: 988: 986: 984: 978: 971: 963: 957: 956: 954: 952: 941: 935: 934: 932: 930: 918: 912: 911: 909: 907: 892: 886: 885: 883: 881: 876:. 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Retrieved 632: 622: 613: 604: 593:, retrieved 590:post-gazette 589: 579: 508: 492: 469: 465: 442: 418: 392: 376: 349: 341: 324: 290: 278: 270:Arsenal Park 269: 267: 259:Pennsylvania 238: 236: 111:Pennsylvania 18: 1373:Point State 1307:Frank Curto 1082:introducing 722:November 1, 504:cannonballs 495:World War I 305:Penn Avenue 272:as well as 245:during the 141: / 117:Coordinates 1449:Categories 1417:South Side 1326:Hays Woods 1270:Pittsburgh 1065:references 640:August 24, 571:References 352:smoldering 293:Pittsburgh 263:Pittsburgh 243:Union Army 228:designated 217:designated 129:79°57′40″W 126:40°28′00″N 107:Pittsburgh 1384:Riverview 1378:PPG Place 529:in 2019. 511:ballfield 415:Aftermath 383:gunpowder 338:Explosion 265:in 1868. 206:dedicated 180:Architect 1401:Schenley 1363:Phillips 1332:Highland 1038:March 5, 1012:March 4, 983:March 4, 974:Archived 533:See also 522:insignia 486:, 1907. 431:Monument 251:civilian 99:Location 1078:improve 696:May 28, 287:Origins 170: ( 1343:Mellon 1067:, but 1008:. 2004 355:rubble 1313:Frick 1264:Parks 1002:(PDF) 977:(PDF) 970:(PDF) 741:(PDF) 716:(PDF) 193:owner 1040:2021 1014:2021 985:2021 953:2021 931:2021 908:2021 901:KDKA 882:2021 853:2021 827:2021 801:2021 775:2021 749:2021 724:2018 698:2011 670:2012 642:2012 597:2010 385:. A 379:shoe 327:west 319:HABS 237:The 231:2003 226:PHLF 215:CPHD 204:PHMC 172:1814 165:1814 154:Area 1267:of 209:n/a 1451:: 1031:. 1004:. 899:. 872:. 861:^ 843:. 817:. 791:. 765:. 687:. 659:. 631:. 612:. 588:, 562:, 427:. 369:. 257:, 109:, 105:, 1255:e 1248:t 1241:v 1103:) 1097:( 1092:) 1088:( 1074:. 1042:. 1016:. 987:. 955:. 933:. 910:. 751:. 726:. 700:. 672:. 644:. 186:? 174:)

Index

Pennsylvania Historical Marker
City of Pittsburgh Historic Structure
Pittsburgh Landmark – PHLF
Black and white photo of a castle-like gatehouse with an arched opening
Allegheny Arsenal is located in Pittsburgh
Lower Lawrenceville
Pittsburgh
Pennsylvania
40°28′00″N 79°57′40″W / 40.4666°N 79.9611°W / 40.4666; -79.9611
Benjamin Henry Latrobe
City of Pittsburgh
PHMC
CPHD
PHLF
Union Army
American Civil War
civilian
Lawrenceville
Pennsylvania
Pittsburgh
Arsenal Middle School
Pittsburgh History & Landmarks Foundation
Pittsburgh
Allegheny River
Lawrenceville
Penn Avenue
Butler Street

HABS
west

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