erovnuli-samecniero-biblioteka Search for 'su:{Potomac River.}'

The Potomac River basin; geographic history--rainfall and stream flow--pollution, typhoid fever, and character of water--relation of soils and forest cover to quailty and quantity of surface water--effect of industrial wates of fishes.

By Parker, Horatio N..
Washington, Gov't print. off., 1907 .
vi, 364, iii p. 23 cm..

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Time of travel of water in the Potomac River, Cumberland to Washington,

By Searcy, James K..
Washington, 1961 .
iii, 12 p. 27cm..

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Joseph Cowles Mehaffey papers,

By Mehaffey, Joseph Cowles,.
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900 | 3 | 1.2

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Ezra Ayers Carman papers,

By Carman, Ezra Ayers,.
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1,500 | 25 | 2 | 10

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United States. Army. Office of the Chief of Engineers letterpress book,

By United States..
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1 | 0.1

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Potomac River steamboat traffic records,

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4

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Donald Benham Civil War collection,

By Benham, Donald,.
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300 | 1 | 0.4.

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Some old historic landmarks of Virginia and Maryland described in a hand-book for the tourist over the Washington, Alexandria and Mount Vernon Electric Railway.

By Snowden, W. H..
Philadelphia, Printed by J.B. Lippincott Co., 1894 .
71 p. 24 cm..

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Observations on the river Potomack, the country adjacent, and the city of Washington.

By Lear, Tobias,.
New-York : Printed by Loudon and Brower ..., 1794 .
30, [2] p. (last leaf blank), [1] folded leaf of plates ; , Evans attributes authorship to Tobias Lear, also erroneously attributed to Andrew Ellicott. | Signatures: [A]⁴ B-D⁴. | LC copy imperfect: folded leaf of plates wanting. 20 cm. (8vo).

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