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Vertical Clearance, Left Side, (Span Lifted) above H. W. 1881
Vertical Clearance, Right Side, (Span Lifted) above H. W. 1881.
Vertical Clearance, Left Side, (Span Lifted) above Pool
Vertical Clearance, Right Side, (Span Lifted) above Pool
Vertical Clearance, Left Side, (Span Lowered) above H. W. 1881.
Vertical Clearance, Right Side, (Span Lowered) above H. W. 1881.
Vertical Clearance, Left Side, (Span Lowered) above Pool.
Vertical Clearance, Right Side, (Span Lowered) above Pool..
Elevation Low Steel, Left Side, (Span Lifted)
Elevation Low Steel, Right Side, (Span Lifted)

.45.2 ft.
.44.8 ft.
.57.4 ft.
.57.0 ft.
.-1.0 ft.
-1.3 ft.
.11.2 ft.
.10.9 ft.
.733.1 ft.
.732.7 ft.

[blocks in formation]
[blocks in formation]

Miles Miles
above below
Ohio Minne-
River apolis

787954–48—19

148.0
181.0
224. 6
307.1
309.8

705.0
672.0
628.4
545.9
543.2

364.4

488.6

485.5
513. 5
580.3
603. 2
633. 2
679.0
725. 1
760.5
788.1
789.6
811.0
832.9
841.0
841.1
846.1

367.5
339.5
272.7
249.8
219.8
174.0
127.9
92.5
64.9
63.4
42.0
20.1
12.0
11.9
6.9

640.6
644.7
690.8
683.9
696.0
714.0
730.0
739.3
754. 3
743.3
744.9
758.6
768. 1
765.9
769.9

[graphic]

1 Based on full pool at dam and discharges which are equaled or exceeded 90 percent of the time.

2 Above low water of 1904 in lieu of full pool.

3 1929 adjustment. 4 Over navigation channel.

[blocks in formation]

1 Based on full pool at dam and discharges which are equaled or exceeded 90 percent of the time.

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