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Tabulation of precise level results, Blair, Nebr., to De Witt, Mo., 1893-Continued.

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APPENDIX A 3.

REPORT ON MEASUREMENT OF BRIDGES, 1894.

Lowest points of superstructure of bridges over the Missouri River completed since June

30, 1893.

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All elevations are above St. Louis directrix according to the precise levels of 1892. T. B. M.
porary bench mark of precise level survey. "Bench marks to which referred" are reduced to pre-
cise level elevations.]

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ANNUAL REPORT OF A. H. BLAISDELL, ASSISTANT ENGINEER, 1894.

OFFICE MISSOURI RIVER COMMISSION,

St. Louis, Mo., June 30, 1894.

SIR: I have the honor to submit the following report on the water gauges maintained by the Missouri River Commission during the fiscal year ending June 30, 1894. The accompanying table gives the location of each gauge in miles above the mouth of the river and the time it was maintained during the year.

The distances below Sioux City, Iowa, are measured on the low-water channel line of the Missouri River Commission maps of 1890, and that to the upper river gauge at Townsend, from the various maps of surveys made by the Commission and by Capts. Hodges, Powell, and Maguire, Corps of Engineers, U. S. A., between 1889 and 1892, inclusive.

The Missouri River Commission at the end of the year maintains twenty-three permanent and two temporary gauges; the latter being read in connection with the works in progress on the First Reach, at Ewings Landing and Gasconade, Mo.

The Weather Bureau gauge at Hermann was also read during a portion of the year, before the removal of the office of Division Engineer S. Waters Fox to Gasconade.

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