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" ... greater distances than 10 miles, if it can be avoided. An error of 1' in the measurement of the angle is at this distance about 15 feet, while the uncertainty of refraction in such a length of line is necessarily great. TRAVERSE WORK. As stated... "
Monographs of the United States Geological Survey - Seite 73
von Geological Survey (U.S.) - 1893
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Report, Band 2

Maryland Geological Survey - 1898 - 626 Seiten
...of line is necessarily great. TRAVERSE WORK. As stated above, under the head of primary traverses, a traverse line consists of a series of direction and distance measurements depending upon one another. These lines should be connected wherever possible with triangulation points...
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Report, Band 2

Maryland Geological Survey - 1898 - 628 Seiten
...of line is necessarily great. TRAVERSE WORK. As stated above, under the head of primary traverses, a traverse line consists of a series of direction and distance measurements depending upon one another. These lines should be connected wherever possible with triangulation points...
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Report, Band 2

Maryland Geological Survey - 1898 - 628 Seiten
...of line is necessarily great. TRAVERSE WORK. As stated above, under the head of primary traverses, a traverse line consists of a series of direction and distance measurements depending upon .one another. These lines should be connected wherever possible with triangulation points...
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Report, Band 2

Maryland Geological Survey - 1898 - 646 Seiten
...of line is necessarily great. TRAVERSE WORK. As stated above, under the head of primary traverses, a traverse line consists of a series of direction and distance measurements depending upon one another. These lines should be connected wherever possible with triangulation points...
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Report, Band 2

Maryland Geological Survey - 1898 - 630 Seiten
...of line is necessarily great. TRAVERSE WORK. As stated above, under the head of primary traverses, a traverse line consists of a series of direction and distance measurements depending upon one another. These lines should be connected wherever possible with triangulation points...
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Bulletin, Ausgaben 303-308

1907 - 874 Seiten
...necessarily great. TRAVERSE WORK. As stated under the head of traverses for primary control (p. 67), a traverse line consists of a series of direction and distance measurements depending upon one another. These lines should be connected wherever possible with triangulation points...
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Manual of Topographic Methods

Henry Gannett - 1906 - 122 Seiten
...Under such circumstances traverse lines afford the only means of obtaining adequate control for maps. A traverse line consists of a series of direction...is thus formed. Traverse lines are largely used in topographic work proper for making minor locations. The primary traverse differs from these only in...
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Manual of Topographic Methods

Henry Gannett - 1906 - 120 Seiten
...necessarily great. TRAVERSE WORK. As stated under the head of traverses for primary control (p. 67), a traverse line consists of a series of direction and. distance measurements Depending upon one another. These lines should be connected wherever possible with triangulation points...
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Report of the Commissioners of the State Geological and Topographical Survey

Pennsylvania. Topographic and Geological Survey Commission - 1906 - 328 Seiten
...of certain points within the degree of precision demanded by the scale of the map. is by traverse. A traverse line consists of a series of direction and distance measurements. The direction of each course is not determined by the magnetic needle, as in land surveying, but is...
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Bulletin of the United States Geological Survey

Geological Survey (U.S.) - 1906 - 126 Seiten
...necessarily great. TRAVERSE WORK. As stated under the head of traverses for primary control (p. 67), a traverse line consists of a series of direction and distance measurements depending upon one another. These lines should be connected wherever possible with triangulation points...
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