Annual Reports of the War Department, Part 3

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U.S. Government Printing Office, 1880

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Page 2067 - Treasury to pay the actual expenses of operating, maintaining, and keeping said works in repair, which warrants or requisitions shall be paid by the Secretary of the Treasury out of any money in the Treasury not otherwise appropriated...
Page 1998 - Congress, full statements of all existing facts tending to show to what extent the general commerce of the country will be promoted by the several works of Improvements contemplated by such examinations and surveys, to the end that public moneys shall not be applied excepting where such improvements shall tend to subserve the general commercial and navigation Interests of the United States.
Page 2432 - Whenever work is stopped at least two temporary bench-marks should be established. These will consist of large nails or spikes driven their entire length vertically into the base of trees, or in the tops of sound stumps. When not in the vicinity of trees or stumps, wooden posts may be firmly set in the ground with their tops flush with the surface and nails driven into them.
Page 2362 - The exact thickness of the different layers, and the extent to which the separation of the different sizes is carried, are subject, of course, to considerable variation. The water stands several feet deep over the surface of the sand, and is allowed to flow down through the filter at such rate as experience shows to be most advantageous. Naturally, when the sand is clean, a greater quantity of water will pase in a given time than when the sand has become clogged.
Page 1950 - War to adopt for the improvement of the navigation of the Wisconsin river such plan as may be recommended by the chief .of the Bureau of .Engineers.
Page 2428 - The error of the adjustment of the level will be determined by reading the level four times when direct and four times when reversed on the telescope, reversing it between each reading. The error of adjustment must not exceed two level divisions, and commonly should not exceed one. All the details of the determination of the errors of adjustment must be entered in the note-book in their proper place.
Page 2499 - For continuing the geographical survey, of the territory of the United States west of the 100th meridian...
Page 1978 - full statements of all existing facts tending to show to what extent the general commerce of the country will be promoted by the several works of improvement contemplated by such examinations and surveys, to the end that public moneys shall not be applied, excepting where such improvements' shall tend to subserve the general commercial and navigation interests of the United States.
Page 2428 - This adjustment will be made at least once each day. Each time that the instrument is placed on a station, its axis will first be made vertical by means of the leveling screws in such manner that the telescope may be turned around the horizon without the bubble of the level running a great number of divisions. The telescope is finally made horizontal by means of the elevating screw. The inclination at the moment of observing must not ordinarily exceed three divisions of the level, and never five...
Page 2429 - ... estimated ; and finally the level will be read again. The observer will then read the rod a second time to make sure that no error has been made. The recorder will then take the differences between the readings of the middle and extreme wires to guard against errors, and if these differences denote any error the observations must be repeated, IT an error exists it will be shown by too great a difference between the differences.

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