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Illinois

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Alton

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Upper Mississippi River 9-Foot Channel Project, Lock & Dam 26, Alton, Madison County, IL



See 43 maps of this location


B&W Photos

HB444055
Aerial View Of Lock And Dam, Looking Southeast Photocopy Of Photograph, Ca

HB444056
Overall View Of Dam, Looking Upstream.

HB444057
Overall View Of Dam, Looking Northeast

HB444058
Detail View Of Tainter Gate Pier And Tainter Gate No

HB444059
Detail View Of Tainter Gate Pier And Tainter Gate, Showing Tainter Gate Gauges And Service Bridge, Looking Northwest

HB444060
Detail View Of Tainter Gate Pier And Tainter Gate, Looking Southeast

HB444061
Detail View Of Tainter Gate, Showing Streamlined Spillway, Looking Northwest

HB444062
Detail View Of Roller Gate Pier And Roller Gate Operating Machinery House, Showing Roller Gate, Looking East

HB444063
Detail View Of Roller Gate Operating Machinery House, Looking Southeast

HB444064
Detail View Of Raised Roller Gate, Showing Damaged Apron, Looking Southwest

HB444065
Detail View Of Roller Gate In Raised Position, Showing Damaged Apron

HB444066
Detail View Of Locomotive Crane, Looking East

HB444067
Detail View Of Tainter Gate Emergency Bulkheads In Storage Yard, Looking Northwest

HB444068
Detail View Of Tainter Gate Emergency Bulkheads In Storage Yard, Looking Northeast

HB444069
Overall Of Dam, Earth Dike, And West Alton Public Access Area, Looking Northeast (upstream).

HB444070
Detail View Of Upper Guide Wall, Looking North

HB444071
Overall View Of Main Lock, Looking North

HB444072
Detail View Of Miter Gate Operating Machinery, Showing Gate Strut, Sector Arm, And Gate Operating Machinery Well, Looking Northeast

HB444073
Detail View Of Intermediate Wall Tainter Valve Well Housing, Looking Northeast (upstream)

HB444074
Detail View Of Lockmen's Shelters At Upper End Of Intermediate Wall, Looking Southeast

HB444075
Detailed Interior View Of Intermediate Wall In Lockman's Shelter, Looking South

HB444076
Detail View Of Auxiliary Lock Interior, Looking Northeast (upstream)

HB444077
Detail View Of Main Lock Lower Miter Gate, Showing Sector Arm And Gate Strut, Looking Southwest (downstream)

HB444078
Detail View Of Tile Gauge In Intermediate Lock Wall, Looking Northeast

HB444079
Overall View Of Esplanade, Looking South

HB444080
Detail View Of Central Control Station With Tainter Gate Trunnion In Foreground, Looking East

HB444081
Detail View Of Central Control Station, Showing Upper Auxiliary Lock Miter Gates In Foreground And Service Bridge At Far Right, Looking Southwest

HB444082
Detailed Interior View Of Central Control Station, Lower Floor, Looking North

HB444083
Detailed Interior View Of Central Control Station, Main Floor, Looking South

HB444084
Detailed Interior View Of Central Control Station, Main Floor, Looking Northeast

HB444085
Detail View Of Central Control Panel In Open Position, Looking Northeast

HB444086
Detail View Of Central Control Panel In Closed Position, Looking Northeast

HB444087
Detail View Of Intermediate Wall Of Utilities Overhead, Looking North (upstream)

HB444088
Detail View Of Railroad Bridge, Looking Northeast (upstream)

HB444089
Detail View Of Railroad Bridge Swing Span In Open Position, Looking South (downstream)

HB444090
Detail View Of Highway Bridge, Showing Railroad Bridge And Lock And Dam In Background, Looking Northeast (upstream)

HB444091
Detail View Of Highway Bridge, Showing Railroad Bridge And Lock And Dam In Background, Looking Northeast (upstream)

HB444092
Detail View Of West Alton Public Access Area, Looking Northwest

HB444093
Detail View Of Storage Building In Storage Yard, Looking West

HB444094
View Showing Cofferdam Construction Photograph No

HB444095
View Of Building Forms For Monoliths 9a & 10a

HB444096
Upstream View From Cofferdam Photograph No

HB444097
View Showing Sinking Upper Guide Wall Crib Photograph No

HB444098
Upstream View From Railroad Bridge Photograph No

HB444099
View Showing Placement Of Railroad Bridge Pier Protection -- Pier No

HB444100
View Showing Beginning Of Lower Arm Of Cofferdam Photograph No

HB444101
View Of Lock From Highway Bridge Photograph No

HB444102
View Of Lock From Standard-tilton Elevator Photograph No

HB444103
View Showing Placement Of Concrete With Buggies Photograph No

HB444104
General View In Cofferdam, Photograph No

HB444105
Pouring Concrete Pier No

HB444106
Upstream View Showing The Assembling Of Tainter Gate Photograph No

HB444107
View Showing Tainter Gate Erection Photograph No

HB444108
View Showing Roller Gate Erection Photograph No

HB444109
General View Of Roller Gates And Pier Photograph No

HB444110
Aerial View Photograph No

HB444111
Curing With High Pressure Hose Photograph No

HB444112
View Of Central Concrete House Photograph No

HB444113
Aerial View Photograph No

HB444114
View Of Excursion Steamer J

HB444115
General View Locks And Dam, Now In Full Operation Photograph No

HB444116
Lock -- Index Drawing No

HB444117
Locks -- General Plan Drawing No

HB444118
Locks -- Gate Operating Machinery Drawing No

HB444119
Tainter Valves -- Main Lock -- General Drawing Drawing No

HB444120
Locks -- Valve Operating Machinery -- Assembly Main Lock Drawing No

HB444121
45 Ft

HB444122
Dam -- Index Drawing No

HB444123
Dam -- Site Map Drawing No

HB444124
Dam -- General Plan Drawing No

HB444125
Dam -- Section And Elevations Of Tainter Gate Pier Drawing No

HB444126
Dam -- Section And Elevation Of Roller Gate Pier Drawing No

HB444127
Dam -- Masonry Details -- Tainter Gate Sills & Apron Drawing No

HB444128
Dam -- Roller Gates -- General Assembly Drawing No

HB444129
Dam -- Tainter Gates -- General Drawing Drawing No

HB444130
Dam -- Roller Gate Operating Machinery -- General Arrangement Drawing No

HB444131
Tainter Gate Operating Machinery -- General Arrangement Drawing No

HB444132
Dam -- Power, Control And Lighting System -- Index Drawing No

HB444133
Central Control Station -- Elevations Drawing No

HB444134
Central Control Station -- Floor Plans Drawing No

HB444135
Central Control Station -- Sections Drawing No


Data Pages


Photo Caption Pages


Item Title


Location
Lock & Dam 26, Alton, IL

Find maps of Alton, IL


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER IL-31
Building/structure dates: 1938 initial construction
Significance: The Upper Mississippi River Nine-Foot Channel Project represents one of the largest and most ambitious river improvement projects ever constructed in the United States. The project's origins date to the 1920s and the efforts of Upper Midwest commercial interests to improve their access to markets. During the early years of the Great Depression, the project became transformed into a massive public works program intended to relieve local and regional unemployment. The locks and dams that comprise the project constitute seminal developments in the technological history of American river navigation projects. The project pioneered the use of non-navigable movable dams in the United States. Designers and engineers from the U.S. Army Corps of Engineers committed themselves to a foreign technology, by their decision to incorporate roller gates into the majority of the project's dams and, more importantly, developed new and improved versions of the simpler and more reliable Tainter gate at such a rapid rate that, by the end of the 1930s, roller gates had become a passé' technology. The successful completion of the Nine-Foot Channel Project transformed the Upper Mississippi River into an intra-continental canal, providing a fully navigable interior river system throughout the Midwest. The project significantly altered the environment of the Upper Mississippi, but it also served as an impetus for the improvement of drinking water and sewage disposal systems in towns and cities located along the river. Additionally, the project provided new recreational opportunities to the general public.

Related Names
U.S. Army Corps Of Engineers


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. AERIAL VIEW OF LOCK AND DAM, LOOKING SOUTHEAST Photocopy of photograph, ca. 1980. Original print is on file at St. Louis District Office, U.S. Engineer Office, St. Louis, Missouri.
2. OVERALL VIEW OF DAM, LOOKING UPSTREAM.
3. OVERALL VIEW OF DAM, LOOKING NORTHEAST
4. DETAIL VIEW OF TAINTER GATE PIER AND TAINTER GATE NO. 2, LOOKING NORTHEAST (UPSTREAM). SERVICE BRIDGE, CENTRAL CONTROL STATION AND UTILITIES OVERHEAD ARE VISIBLE AT REAR.
5. DETAIL VIEW OF TAINTER GATE PIER AND TAINTER GATE, SHOWING TAINTER GATE GAUGES AND SERVICE BRIDGE, LOOKING NORTHWEST
6. DETAIL VIEW OF TAINTER GATE PIER AND TAINTER GATE, LOOKING SOUTHEAST
7. DETAIL VIEW OF TAINTER GATE, SHOWING STREAMLINED SPILLWAY, LOOKING NORTHWEST
8. DETAIL VIEW OF ROLLER GATE PIER AND ROLLER GATE OPERATING MACHINERY HOUSE, SHOWING ROLLER GATE, LOOKING EAST
9. DETAIL VIEW OF ROLLER GATE OPERATING MACHINERY HOUSE, LOOKING SOUTHEAST
10. DETAIL VIEW OF RAISED ROLLER GATE, SHOWING DAMAGED APRON, LOOKING SOUTHWEST
11. DETAIL VIEW OF ROLLER GATE IN RAISED POSITION, SHOWING DAMAGED APRON. ROLLER GATE OPERATING MACHINERY HOUSE IN BACKGROUND, LOOKING EAST
12. DETAIL VIEW OF LOCOMOTIVE CRANE, LOOKING EAST
13. DETAIL VIEW OF TAINTER GATE EMERGENCY BULKHEADS IN STORAGE YARD, LOOKING NORTHWEST
14. DETAIL VIEW OF TAINTER GATE EMERGENCY BULKHEADS IN STORAGE YARD, LOOKING NORTHEAST
15. OVERALL OF DAM, EARTH DIKE, AND WEST ALTON PUBLIC ACCESS AREA, LOOKING NORTHEAST (UPSTREAM).
16. DETAIL VIEW OF UPPER GUIDE WALL, LOOKING NORTH
17. OVERALL VIEW OF MAIN LOCK, LOOKING NORTH
18. DETAIL VIEW OF MITER GATE OPERATING MACHINERY, SHOWING GATE STRUT, SECTOR ARM, AND GATE OPERATING MACHINERY WELL, LOOKING NORTHEAST
19. DETAIL VIEW OF INTERMEDIATE WALL TAINTER VALVE WELL HOUSING, LOOKING NORTHEAST (UPSTREAM)
20. DETAIL VIEW OF LOCKMEN'S SHELTERS AT UPPER END OF INTERMEDIATE WALL, LOOKING SOUTHEAST
21. DETAILED INTERIOR VIEW OF INTERMEDIATE WALL IN LOCKMAN'S SHELTER, LOOKING SOUTH
22. DETAIL VIEW OF AUXILIARY LOCK INTERIOR, LOOKING NORTHEAST (UPSTREAM)
23. DETAIL VIEW OF MAIN LOCK LOWER MITER GATE, SHOWING SECTOR ARM AND GATE STRUT, LOOKING SOUTHWEST (DOWNSTREAM). SWING SPAN OF RAILROAD BRIDGE IN OPEN POSITION IS VISIBLE AT REAR.
24. DETAIL VIEW OF TILE GAUGE IN INTERMEDIATE LOCK WALL, LOOKING NORTHEAST. NOTE STEEL WALL ARMOR EMBEDDED IN CONCRETE.
25. OVERALL VIEW OF ESPLANADE, LOOKING SOUTH
26. DETAIL VIEW OF CENTRAL CONTROL STATION WITH TAINTER GATE TRUNNION IN FOREGROUND, LOOKING EAST
27. DETAIL VIEW OF CENTRAL CONTROL STATION, SHOWING UPPER AUXILIARY LOCK MITER GATES IN FOREGROUND AND SERVICE BRIDGE AT FAR RIGHT, LOOKING SOUTHWEST
28. DETAILED INTERIOR VIEW OF CENTRAL CONTROL STATION, LOWER FLOOR, LOOKING NORTH
29. DETAILED INTERIOR VIEW OF CENTRAL CONTROL STATION, MAIN FLOOR, LOOKING SOUTH
30. DETAILED INTERIOR VIEW OF CENTRAL CONTROL STATION, MAIN FLOOR, LOOKING NORTHEAST
31. DETAIL VIEW OF CENTRAL CONTROL PANEL IN OPEN POSITION, LOOKING NORTHEAST
32. DETAIL VIEW OF CENTRAL CONTROL PANEL IN CLOSED POSITION, LOOKING NORTHEAST
33. DETAIL VIEW OF INTERMEDIATE WALL OF UTILITIES OVERHEAD, LOOKING NORTH (UPSTREAM)
34. DETAIL VIEW OF RAILROAD BRIDGE, LOOKING NORTHEAST (UPSTREAM)
35. DETAIL VIEW OF RAILROAD BRIDGE SWING SPAN IN OPEN POSITION, LOOKING SOUTH (DOWNSTREAM)
36. DETAIL VIEW OF HIGHWAY BRIDGE, SHOWING RAILROAD BRIDGE AND LOCK AND DAM IN BACKGROUND, LOOKING NORTHEAST (UPSTREAM)
37. DETAIL VIEW OF HIGHWAY BRIDGE, SHOWING RAILROAD BRIDGE AND LOCK AND DAM IN BACKGROUND, LOOKING NORTHEAST (UPSTREAM)
38. DETAIL VIEW OF WEST ALTON PUBLIC ACCESS AREA, LOOKING NORTHWEST
39. DETAIL VIEW OF STORAGE BUILDING IN STORAGE YARD, LOOKING WEST
40. VIEW SHOWING COFFERDAM CONSTRUCTION Photograph No. 60. March 31, 1934
41. VIEW OF BUILDING FORMS FOR MONOLITHS 9A & 10A. Photograph No. 229. September 14, 1934
42. UPSTREAM VIEW FROM COFFERDAM Photograph No. 292. October 17, 1934
43. VIEW SHOWING SINKING UPPER GUIDE WALL CRIB Photograph No. 351. November 12, 1934
44. UPSTREAM VIEW FROM RAILROAD BRIDGE Photograph No. 409. January 3, 1935
45. VIEW SHOWING PLACEMENT OF RAILROAD BRIDGE PIER PROTECTION -- PIER NO. 3 Photograph No. 422. January 11, 1935
46. VIEW SHOWING BEGINNING OF LOWER ARM OF COFFERDAM Photograph No. 592. July 16, 1935
47. VIEW OF LOCK FROM HIGHWAY BRIDGE Photograph No. 600. August 1, 1935
48. VIEW OF LOCK FROM STANDARD-TILTON ELEVATOR Photograph No. 604. August 1, 1935
49. VIEW SHOWING PLACEMENT OF CONCRETE WITH BUGGIES Photograph No. 632. August 23, 1935
50. GENERAL VIEW IN COFFERDAM, Photograph No. 670. October 10, 1935
51. POURING CONCRETE PIER NO. 27 Photograph No. 780. November 16, 1935
52. UPSTREAM VIEW SHOWING THE ASSEMBLING OF TAINTER GATE Photograph No. 843. December 16, 1935
53. VIEW SHOWING TAINTER GATE ERECTION Photograph No. 855. December 26, 1935
54. VIEW SHOWING ROLLER GATE ERECTION Photograph No. 1463. September 15, 1936
55. GENERAL VIEW OF ROLLER GATES AND PIER Photograph No. 1587. October 6, 1936
56. AERIAL VIEW Photograph No. 1588. November 4, 1936
57. CURING WITH HIGH PRESSURE HOSE Photograph No. 2194. April 19, 1937
58. VIEW OF CENTRAL CONCRETE HOUSE Photograph No. 2830. September 21, 1937
59. AERIAL VIEW Photograph No. 2913. August 20, 1937
60. VIEW OF EXCURSION STEAMER J. S. AND STEAMER MISSISSIPPI, WITH BARGE, IN MAIN LOCK Photograph No. 3544. June 7, 1938
61. GENERAL VIEW LOCKS AND DAM, NOW IN FULL OPERATION Photograph No. 4075. October 25, 1938
62. LOCK -- INDEX Drawing No. M-L 26 0/1, October 1933
63. LOCKS -- GENERAL PLAN Drawing No. M-L 26 22/1, October 1933
64. LOCKS -- GATE OPERATING MACHINERY Drawing No. M-L 26 25/1, October 1933
65. TAINTER VALVES -- MAIN LOCK -- GENERAL DRAWING Drawing No. M-L 26 28/1, October 1933
66. LOCKS -- VALVE OPERATING MACHINERY -- ASSEMBLY MAIN LOCK Drawing No. M-L 26 28/1, October 1933
67. 45 FT. LOCK GATES -- 2 FT. SIDEWALK HEIGHT -- GENERAL DRAWING Drawing No. M-L 26 21/17, October 1933
68. DAM -- INDEX Drawing No. M-L 26 0/2, August 1946
69. DAM -- SITE MAP Drawing No. M-L 26 10/5. December 1934
70. DAM -- GENERAL PLAN Drawing No. M-L 26 40/1. December 1934
71. DAM -- SECTION AND ELEVATIONS OF TAINTER GATE PIER Drawing No. M-L 26 40/2. December 1934
72. DAM -- SECTION AND ELEVATION OF ROLLER GATE PIER Drawing No. M-L 26 40/3. December 1934
73. DAM -- MASONRY DETAILS -- TAINTER GATE SILLS & APRON Drawing No. M-L 26 40/10. December 1934
74. DAM -- ROLLER GATES -- GENERAL ASSEMBLY Drawing No. M-L 26 47/1. December 1934
75. DAM -- TAINTER GATES -- GENERAL DRAWING Drawing No. M-L 26 48/1. December 1934
76. DAM -- ROLLER GATE OPERATING MACHINERY -- GENERAL ARRANGEMENT Drawing No. M-L 26 54/1. December 1934
77. TAINTER GATE OPERATING MACHINERY -- GENERAL ARRANGEMENT Drawing No. M-L 26 55/1. December 1934
78. DAM -- POWER, CONTROL AND LIGHTING SYSTEM -- INDEX Drawing No. M-L 26 0/4. January 1937
79. CENTRAL CONTROL STATION -- ELEVATIONS Drawing No. M-L 26 70/1. January 1937
80. CENTRAL CONTROL STATION -- FLOOR PLANS Drawing No. M-L 26 70/12. January 1937
81. CENTRAL CONTROL STATION -- SECTIONS Drawing No. M-L 70/13. January 1937


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