Geodesy : the eastern oblique arc of the United States and osculating spheroid / by ChasASchott . 87 -16 30 09 21 -57 4-0 -78 22-35 0-65 4-454 925 I 28 505 -27 117 35 21 -57 + 1 -26 22-83 0-64 4-701 488 I 50 290 -75 32 15 1675 4-0-01 16-76 0-65 4-481 194 4 30 282 -69 55 33 33 -64 + 2-24 35 -88 3-97 4-852 202 7 71 154-56 54 20 56-55 -0-23 56-32 3-97 4-845 763 S 70 107-39 70 05 41 -09 -1-37 39-72 3-98 4-9<j9 145 I 81 123 -21 77 54 29 -89 + 1-85 31-74 3-27 4-909 145 I 81 123 -21 61 01 24 -61 + 0-49 25-10 3-28 4-860 804 4 72 577 -90 41 04 13 -83 - 0 -84 12-99 3-28 4 -736 436 7 54 505 -05 65 09
Geodesy : the eastern oblique arc of the United States and osculating spheroid / by ChasASchott . 87 -16 30 09 21 -57 4-0 -78 22-35 0-65 4-454 925 I 28 505 -27 117 35 21 -57 + 1 -26 22-83 0-64 4-701 488 I 50 290 -75 32 15 1675 4-0-01 16-76 0-65 4-481 194 4 30 282 -69 55 33 33 -64 + 2-24 35 -88 3-97 4-852 202 7 71 154-56 54 20 56-55 -0-23 56-32 3-97 4-845 763 S 70 107-39 70 05 41 -09 -1-37 39-72 3-98 4-9<j9 145 I 81 123 -21 77 54 29 -89 + 1-85 31-74 3-27 4-909 145 I 81 123 -21 61 01 24 -61 + 0-49 25-10 3-28 4-860 804 4 72 577 -90 41 04 13 -83 - 0 -84 12-99 3-28 4 -736 436 7 54 505 -05 65 09 22-94 —0-21 22-73 1-34 4-701 4S8 2 50 290-76 79 34 36 -45 -t I -14 37 -59 I -34 4 -736 436 8 54 505 -06 35 16 3-85 -0-15 03-70 I -34 4-505 134 I 31 993 -83 194 THE EASTERN OBLIQUE ARC. 9. THE THIRD SECTION OF THE TRIANGULATION WEST OF THE ATLANTA BASE NET, ALABAMA, 1886-1890. This section forms a compact figure connecting at each end on a single line bothwith the preceding and the following sections. It covers a portion of the valley of the No. 30. Coosa River and comprises 6 Cahaho AI^BAMA. , JcLmisoTL Kilometers I M Ul Ul U M 10 10 20 30 Statute Miles 40 50 t-l I—I U,! I—I U-l- 10 10 20 30 stations, who; 5e appro ximate heights are as follows: Meters. Feet. .\lpine 473 551 Laurel 4S0 I 576 Horn 5SS I 930 Kahatchee 396 I 300 Weogufka 352 I 155 Jamison 255 «35 The observers emplojedalmost exclusivel} a repeatingtheodolite for the angular meas-ures of this section. In the ad-justment unit weight was givento all directions. The meanclosing error derived from the13 triangles of the figure ecjuals /234_ = d= i34 and the mean error of an angle — zb o 7 7, aLsothe probable error of a directionI34 _. = 0-674—^^ =±0 -37. The observations of 1888 atstations Laurel and Horn F. W. Perkins weremade at night upon to this date all horizontal measures of the primary triangulation betweenthese stations and the Gulf coast were made at night b
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherwashi, bookyear1902
