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771:
33:
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347:
894:
882:
405:
88:
1972:
411:
94:
1987:
1961:
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The new bridge was scheduled to open on
September 1, 2017, but construction delays pushed this back into 2018. Maine and New Hampshire's DOT officials maintain the bridge was "commissioned" in late January 2018 following several simulated lifting scenarios, allowing the states to take possession. The
655:
officials determining repairs would cost $ 1 million and take at least six weeks (and permanent closure just four weeks after the earliest possible re-opening), a decision was made to leave the span partially open until demolition. The premature closure of the bridge was announced on August 24, 2016.
596:
for rail traffic near the
Kittery shore. When not in use, the rail span lifted up and retracted south atop its own tracks inside the trusswork. The main span lifted on an as-needed basis for ocean-going commercial traffic, and on a varying set schedule for recreational craft unable to pass beneath
630:
On April 1, 2013, a large tanker struck the bridge, causing severe structural damage and leading to a temporary closure of vehicular traffic. As the original
Memorial Bridge had been closed in October 2011 and its replacement was under construction, the Piscataqua River Bridge was the only bridge
319:
The original Sarah
Mildred Long Bridge was the third span to carry motor vehicle traffic between Maine and New Hampshire at Portsmouth, replacing a river crossing at its location dating from 1822. The bridge was the direct result of the work of the Maine-New Hampshire Interstate Bridge Authority,
704:
Construction of a $ 158.5 million replacement bridge began in
January 2015, scheduled to open to traffic in September 2017. The original bridge had been set to close in November 2016, but was moved up to August 21, 2016, by a mechanical problem that would have cost $ 1 million to repair.
874:
616:. Although most of the bypass is four lanes wide, the bridge had only a three-lane roadbed, with traffic on the center lane originally switching direction depending on load. This, combined with being a drawbridge, placed the bridge far below
646:
in the south tower to jam. On August 22, officials managed to partially raise the main span to allow shipping to pass under, which is given priority by federal law over road traffic. It was deemed unsafe to resume regular lifting, and with
2070:
684:
used in the construction of the new bridge dragged its anchor cables, which pulled out several of the trestle's bents, sending B&M engine No. 3666 and a baggage car to the bottom of the river, where they remain.
659:
Major demolition began with the overnight removal of the center span on
October 14, 2016. Removal of the bridge's towers followed, with a goal of removing both towers by November 18, 2016, completed in April 2017.
601:
415:
308:
98:
589:. It was renamed in 1987 to honor Sarah Mildred Long, a 50-year employee of the Maine-New Hampshire Interstate Bridge Authority who rose from a secretary at its creation in 1937 to executive director.
2065:
2055:
2080:
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in
Kittery. The York Harbor and Beach branch was abandoned in 1925, leaving only the shipyard branch still in service. That branch is primarily used for the transportation of nuclear materials.
680:. In addition to replacing a vehicular span, the bridge absorbed the traffic of a railroad trestle located just upriver which had collapsed on September 10, 1939. It had been weakened when a
732:-standard" is approximately 35 feet (11 m) higher than the original bridge, allowing an estimated 68% fewer openings. The bridge deck also has wider shoulders for bicycle lanes.
2060:
2020:
2010:
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downriver. The result is a dual-purpose single 300-foot (91 m) lift span with an integrated set of rails, which lowers to railroad level when rail traffic must cross.
2025:
1233:
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and the extensions of I-95 leading to it in the early 1970s. In the decades leading to the bridge's closure, vehicular traffic had been reduced to just two lanes.
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the rail span, which was left in an open position by default to accommodate small boats and minimize interruption of auto traffic caused by raising the lift.
857:
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On
October 12, 1989, a worker was killed when he was riding on a counterweight as the bridge closed and he was crushed against the bridge's superstructure.
1981:
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325:
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328:, which had opened in 1923. The bridge was completed in 1940, a decade and a half before the United States embarked on construction of an ambitious
1926:
Sarah
Mildred Long Bridge, Spanning the Piscatauqua River between Portsmouth, New Hampshire and Kittery, Maine, Portsmouth, Rockingham County, NH
1887:
2040:
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which had been formed in 1937. The major goal of the bridge project was to relieve congestion in downtown
Portsmouth and Kittery, where
1737:
The Sarah Mildred Long Bridge: A History of the Maine-New Hampshire Interstate Bridge from Portsmouth, New Hampshire, to Kittery, Maine
1568:
949:
The Sarah Mildred Long Bridge: A History of the Maine-New Hampshire Interstate Bridge from Portsmouth, New Hampshire, to Kittery, Maine
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2015:
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144:
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50:
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In March 2019, the project was recognized as New Hampshire's most outstanding engineering achievement of the prior year by the
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than the original and an improved ability to absorb ship impact. Its vertical clearance of 56 feet (17 m) when closed to "
1652:
2035:
1744:
1163:"Sarah Long Bridge sustains 'severe structural damage' in crash, DOT says; Bridge closed to vehicular traffic after incident"
814:
921:
634:
On August 21, 2016, the bridge became stuck in the closed position due to a mechanical failure after a shift in one of its
631:
between Kittery and Portsmouth remaining open. The bridge was repaired and re-opened to vehicle traffic on May 13, 2013.
790:
617:
555:
360:
43:
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311:. An original bridge by the same name was in operation from 1940 until 2016. A replacement span opened in March 2018.
581:, with a road deck above and a railroad bed below. Upon its dedication in 1940 the structure was simply known as the
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Pictures of the original bridge, including the movable rail section in the closed position, via
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1911:
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1938:
1680:"Sarah Mildred Long Bridge Wins Top Prize at ACEC NH Engineering Excellence Awards Ceremony"
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Legislation outlining the formation of the Maine-New Hampshire Interstate Bridge Authority
893:
620:. The turnpikes, and I-95, did not directly connect until the opening of the "high level"
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The bridge featured two separate movable spans, the central auto-bearing main lift and a
875:
List of bridges documented by the Historic American Engineering Record in New Hampshire
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439:
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2004:
1234:"New Hampshire lift bridge to Maine stuck in raised position, may not ever come down"
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The tracks led to Kittery Junction, at which point one route split off towards
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1484:"Cianbro Prepares for Milestone Project to Replace Sarah Mildred Long Bridge"
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754:(ACEC). The project was also one of 16 finalists for ACEC's national award.
739:
for the railroad portion of the work, reflecting its role in supporting the
519:
1359:
692:, on the York Harbor and Beach Railroad, while the other fork led to the
668:
The railroad track that ran across the bridge was originally part of the
635:
167:
1971:
1925:
716:. Rather than being constructed of structural steel, the bridge employs
1906:
1437:
1407:
639:
1851:"Tribute for worker killed on Sarah Long Bridge 30 years in making"
1928:", 54 photos, 36 data pages, 10 photo caption pages
480:
1595:"State officials rebut 'rumors' that new $ 170M bridge is unsafe"
1542:"States agree on price for Kittery-Portsmouth bridge replacement"
197:
1986:
1960:
1935:
1285:"DOT Crews remove middle section of Sarah Mildred Long Bridge"
2071:
Transportation buildings and structures in York County, Maine
1776:
1214:"A Maine-N.H. Lift Span Retires Early Due to Stuck Sheave".
747:
replacement bridge was officially opened on March 30, 2018.
16:
Bridge between Portsmouth, New Hampshire, and Kittery, Maine
1071:"Portsmouth Herald Obituaries from: Tuesday, March 2, 2004"
1620:"New bridge between Maine, New Hampshire opens to traffic"
1452:"York Beach Branch is to be Closed by B&M Next Month"
577:
The original Sarah Mildred Long Bridge was a double-deck
1903:
5966 Crossing Sarah Mildred Long Bridge with DODX Flat
1899:
of the bridge replacement, by a resident of Portsmouth
1569:"Sarah Mildred Long Bridge Replacement, New Hampshire"
1392:"Boston & Maine Train Accident 1939 Portsmouth NH"
608:, linking traffic traveling the otherwise unconnected
2066:
Historic American Engineering Record in New Hampshire
2056:
Buildings and structures in Portsmouth, New Hampshire
1186:"Sarah Mildred Long Bridge reopens ahead of schedule"
1009:"National Bridge Inventory Bridges - 021702510010800"
708:
The new structure was designed by a joint venture of
351:
The original Sarah Mildred Long Bridge, as seen from
2081:
Bridges of the United States Numbered Highway System
1918:, providing a view of the Sarah Mildred Long Bridge
1308:"Removal of Sarah Long Bridge's lift towers begins"
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1653:"Sarah Long Bridge opens to traffic amid dispute"
1262:"Sarah Long Bridge permanently closed to traffic"
1422:"TrainWreck #3666, in the Piscataqua River, NH"
457:Maine-New Hampshire Interstate Bridge Authority
154:Maine-New Hampshire Interstate Bridge Authority
1777:"Sarah Mildred Long (SML) Bridge Replacement"
863:Bridge and ramps, from the New Hampshire side
8:
1593:Portsmouth Herald Staff (February 9, 2018).
808:Nuclear fuel transport train leaving Kittery
2061:Bridges in Rockingham County, New Hampshire
2021:Buildings and structures demolished in 2016
1511:"Breaking ground: A new year, a new bridge"
2011:Vertical lift bridges in the United States
1932:
334:
20:
1710:American Council of Engineering Companies
1283:Tranchemontagne, Cam (October 15, 2016).
976:"Bill for New Bridge Signed by President"
916:
914:
752:American Council of Engineering Companies
735:An award of $ 25 million was made by the
1754:Robinson, J. Dennis (November 1, 2016).
1227:
1225:
1127:"Bridge operator places blame on victim"
712:and Figg Engineering and constructed by
2026:Demolished bridges in the United States
1256:
1254:
922:"Sarah Mildred Long Bridge Replacement"
910:
829:
766:
587:Maine-New Hampshire (Interstate) Bridge
2086:Road-rail bridges in the United States
1428:from the original on December 22, 2021
1398:from the original on December 22, 2021
1209:
1207:
1205:
1203:
7:
1922:Historic American Engineering Record
851:Incomplete rail bed as of April 2018
1849:Dinan, Elizabeth (August 9, 2019).
1823:Barndollar, Hadley (June 8, 2018).
1540:Koeing, Seth (September 25, 2014).
1509:Nadeau, Gregory (January 6, 2015).
1184:McDermott, Deborah (May 14, 2013).
1825:"New Sarah Long Bridge celebrated"
1756:"The Ghosts of Sarah Mildred Long"
1218:. bnp media. September 5–12, 2016.
1098:"FIRM CITED BEFORE WORKER'S DEATH"
14:
2096:Railroad bridges in New Hampshire
737:U.S. Department of Transportation
1985:
1970:
1959:
1651:LaCasse, Alex (March 30, 2018).
892:
880:
856:
844:
832:
813:
801:
789:
769:
524:41 m (134.5 ft) (Lift span open)
409:
403:
345:
92:
86:
37:Seen from the New Hampshire side
31:
1798:"Tour of new Sarah Long Bridge"
1517:. US Government. Archived from
1372:. September 11, 1939. p. 1
1338:Old Berwick Historical Society
1143:. October 21, 1989. p. 15
1107:. October 25, 1989. p. 33
1035:"New Interstate Bridge Opened"
676:, via an easement that is now
212:
193:
1:
2041:Road bridges in New Hampshire
1947:
1360:"Train Wreck Takes Two Lives"
1051:. November 8, 1940. p. 4
724:spans, allowing eleven fewer
618:Interstate Highway standards
1472:– via newspapers.com.
1380:– via newspapers.com.
1151:– via newspapers.com.
1115:– via pqarchiver.com.
1059:– via newspapers.com.
996:– via newspapers.com.
670:Boston & Maine Railroad
2112:
1735:Openo, Woodard D. (1988).
1720:– via docs.acec.org.
1573:roadtraffic-technology.com
1264:. WGME-TV. August 24, 2016
988:. July 29, 1937. p. 1
600:From 1960 until 1972, the
583:Maine-New Hampshire Bridge
324:crossed the river via the
2091:Railroad bridges in Maine
2031:Bridges completed in 2018
2016:Bridges completed in 1940
1976:
1967:Sarah Mildred Long Bridge
1965:
1950:
1945:
1464:. May 15, 1925. p. 1
1462:Portsmouth, New Hampshire
1370:Portsmouth, New Hampshire
1334:"Eliot History Time Line"
1132:The Burlington Free Press
986:Portsmouth, New Hampshire
741:Portsmouth Naval Shipyard
694:Portsmouth Naval Shipyard
571:
449:Sarah Mildred Long Bridge
344:
330:Interstate Highway System
301:Portsmouth, New Hampshire
289:Sarah Mildred Long Bridge
281:
132:Sarah Mildred Long Bridge
30:
25:Sarah Mildred Long Bridge
1924:(HAER) No. NH-52, "
1045:Fitchburg, Massachusetts
839:Seen from the Maine side
2051:Towers in New Hampshire
1956:Piscataqua River Bridge
1856:Foster's Daily Democrat
1830:Foster's Daily Democrat
1803:Foster's Daily Democrat
1216:Engineering News-Record
782:Piscataqua River Bridge
722:post-tensioned concrete
622:Piscataqua River Bridge
180:2,800 feet (850 m)
66:43.086624°N 70.761052°W
1314:. Seacoast Media Group
887:Engineering portal
710:Hardesty & Hanover
610:New Hampshire Turnpike
307:, carrying traffic of
246:Hardesty & Hanover
2036:Road bridges in Maine
1457:The Portsmouth Herald
1365:The Portsmouth Herald
1015:on September 27, 2007
1007:Nationalbridges.com.
981:The Portsmouth Herald
672:, which connected to
251:Engineering design by
71:43.086624; -70.761052
1882:gencourt.state.nh.us
1861:Dover, New Hampshire
1835:Dover, New Hampshire
1808:Dover, New Hampshire
1739:. Peter E. Randall.
1521:on November 19, 2016
1490:. September 26, 2014
1232:DeCosta-Klipa, Nik.
899:Transport portal
820:Seen from Portsmouth
674:South Berwick, Maine
383:43.0859°N 70.76091°W
207:Rail characteristics
188:300 feet (91 m)
1897:Photographic record
1706:"2019 Gala Evening"
1684:hardestyhanover.com
1137:Burlington, Vermont
602:U.S. Route 1 Bypass
379: /
309:U.S. Route 1 Bypass
62: /
1761:seacoastonline.com
1658:seacoastonline.com
1040:Fitchburg Sentinel
594:retractable bridge
496:854.7 m (2,804 ft)
388:43.0859; -70.76091
1998:
1997:
1993:
1992:
1599:Bangor Daily News
1547:Bangor Daily News
1188:. Seacoast Online
1077:on April 27, 2006
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1939:Piscataqua River
1933:
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1810:. March 30, 2018
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1686:. March 28, 2019
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1632:. March 30, 2018
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1340:. March 16, 2001
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1073:. Archived from
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1011:. Archived from
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796:Movable rail bed
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604:filled a gap in
537:November 8, 1940
514:5.09 m (16.7 ft)
426:Piscataqua River
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1982:Memorial Bridge
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1937:Bridges of the
1916:Memorial Bridge
1892:Wayback Machine
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778:Memorial Bridge
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763:Original bridge
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678:Maine Route 236
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545:August 24, 2016
520:Clearance below
510:Clearance above
504:9.1 m (29.9 ft)
472:Characteristics
467:021702510010800
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560:14,000 (2014)
559:
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2076:U.S. Route 1
1977:
1966:
1951:
1864:. Retrieved
1854:
1838:. Retrieved
1828:
1812:. Retrieved
1801:
1786:. Retrieved
1780:
1765:. Retrieved
1759:
1736:
1714:. Retrieved
1700:
1688:. Retrieved
1683:
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1656:
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1623:
1614:
1602:. Retrieved
1598:
1588:
1576:. Retrieved
1572:
1563:
1551:. Retrieved
1545:
1535:
1523:. Retrieved
1519:the original
1514:
1504:
1492:. Retrieved
1487:
1478:
1466:. Retrieved
1455:
1446:
1436:– via
1430:. Retrieved
1416:
1406:– via
1400:. Retrieved
1386:
1374:. Retrieved
1363:
1354:
1342:. Retrieved
1337:
1328:
1316:. Retrieved
1311:
1301:
1289:. Retrieved
1278:
1266:. Retrieved
1241:. Retrieved
1238:Boston Globe
1237:
1215:
1190:. Retrieved
1179:
1167:. Retrieved
1157:
1145:. Retrieved
1130:
1121:
1109:. Retrieved
1102:
1091:
1079:. Retrieved
1075:the original
1065:
1053:. Retrieved
1038:
1029:
1017:. Retrieved
1013:the original
1002:
990:. Retrieved
979:
970:
958:. Retrieved
954:
948:
947:"Summary of
941:
929:. Retrieved
925:
749:
745:
734:
718:cantilevered
714:Cianbro Corp
707:
703:
687:
667:
658:
644:thrust block
633:
629:
626:
599:
591:
586:
585:, later the
582:
579:truss bridge
576:
493:Total length
322:U.S. Route 1
318:
288:
286:
185:Longest span
177:Total length
18:
1604:February 9,
1488:cianbro.com
1318:October 22,
1291:October 22,
926:cianbro.com
690:York, Maine
487:lift bridge
440:Kittery, ME
386: /
361:Coordinates
353:Kittery, ME
293:lift bridge
227:Track gauge
171:lift bridge
123:Kittery, ME
69: /
44:Coordinates
2005:Categories
1978:Downstream
1746:0915819120
1625:Boston.com
1525:August 24,
1268:August 24,
1243:August 23,
1192:August 24,
1081:October 2,
960:October 2,
905:References
550:Statistics
374:70°45′39″W
371:43°05′09″N
57:70°45′40″W
54:43°05′12″N
1866:August 9,
1814:March 31,
1788:March 31,
1767:March 31,
1664:March 31,
1636:March 31,
1578:March 31,
1494:March 31,
1468:March 31,
1432:March 31,
1402:March 31,
1376:March 31,
1344:March 31,
1287:. WMUR-TV
1147:March 31,
1111:March 31,
1055:March 31,
992:March 31,
638:caused a
636:trunnions
463:ID number
1952:Upstream
1782:MaineDOT
1716:July 11,
1690:July 11,
1426:Archived
1396:Archived
1169:April 2,
1165:. WMUR-9
931:April 2,
869:See also
664:Railroad
653:MaineDOT
567:Location
299:between
277:Location
243:Designer
232:Standard
168:Concrete
145:MaineDOT
1914:on the
1907:YouTube
1840:June 8,
1438:YouTube
1408:YouTube
758:Gallery
682:caisson
529:History
422:Crosses
399:Carries
315:History
238:History
105:Crosses
82:Carries
1912:Webcam
1743:
955:nh.gov
784:behind
640:sheave
542:Closed
534:Opened
477:Design
438:, and
432:Locale
303:, and
269:Opened
217:tracks
164:Design
143:&
121:, and
115:Locale
726:piers
649:NHDOT
501:Width
484:truss
481:Steel
291:is a
198:lanes
141:NHDOT
137:Owner
1905:via
1868:2019
1842:2018
1816:2018
1790:2018
1769:2018
1741:ISBN
1718:2019
1692:2019
1666:2018
1638:2018
1606:2018
1580:2018
1555:2014
1527:2016
1515:FHWA
1496:2018
1470:2018
1434:2018
1404:2018
1378:2018
1346:2018
1320:2016
1293:2016
1270:2016
1245:2016
1194:2016
1171:2013
1149:2018
1113:2018
1083:2006
1057:2018
1021:2006
994:2018
962:2006
933:2018
651:and
642:and
612:and
287:The
221:One
215:of
213:No.
202:Two
196:of
194:No.
2007::
1859:.
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1800:.
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1708:.
1682:.
1655:.
1630:AP
1628:.
1622:.
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1571:.
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1513:.
1486:.
1460:.
1454:.
1424:.
1394:.
1368:.
1362:.
1336:.
1310:.
1253:^
1236:.
1224:^
1202:^
1141:AP
1139:.
1135:.
1129:.
1101:.
1049:AP
1047:.
1043:.
1037:.
984:.
978:.
953:.
924:.
913:^
780:,
730:IC
720:,
332:.
1870:.
1844:.
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1749:.
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1640:.
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1322:.
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1272:.
1247:.
1196:.
1173:.
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1023:.
964:.
951:"
935:.
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