. Report of the Boundary commission upon the survey and re-marking of the boundary between the United States and Mexico west of the Rio Grande, 1891-1896 ... 4, on the Colorado River, to Monument No. 127,at the end of the line on parallel 31° 20, are given in the following table. The measured distance of stadia and triangulatiou reduced to sea level is 372, meters;the computed distance on broken line from the astronomical positions of the two ends, 372,; the difference being meters, or 1 in 4,550. om2>araiive distances on Sonora line. Mouuiuent. Distance determinedIn—
. Report of the Boundary commission upon the survey and re-marking of the boundary between the United States and Mexico west of the Rio Grande, 1891-1896 ... 4, on the Colorado River, to Monument No. 127,at the end of the line on parallel 31° 20, are given in the following table. The measured distance of stadia and triangulatiou reduced to sea level is 372, meters;the computed distance on broken line from the astronomical positions of the two ends, 372,; the difference being meters, or 1 in 4,550. om2>araiive distances on Sonora line. Mouuiuent. Distance determinedIn— Difference. 1849-1853. 1892-1894. Meters. Meters. Meters. \1 175, 026 162,894 - 12,132 I\ 31, 379 31,314 — 65 5 23,415 + 10 5 11 6,974 7,273 + 239 SIII 44, 699 46,562 + 1,863 SIV 18,986 19, 875 + 8S9 sv 26, 494 27,565 -t- 1,071 5 VI . 14, 593 14, 746 + 154 SMI 3,519 4,230 + 717 5 VIII 27 963 28, 974 + 1,012 3 IX 5,262 5,638 + 376 P irallU -il 2a 409 394 — 15 MeteiDistance from Monument II to e\treiiut\ of lino on parallel ilJ 20, according to United States maps, 1849-1856 378, Distance according to present commission 372,1 Dilfereuce 5,1. UNITED STATES AND MEXICAN BOUNDAEY. 45 Meastirements of the 20 miles from junction of the Gila and Colorado to initial point in Colo-rado.—We have by report of original commission the data to reduce to the junction of the Gilaand Colorado, as then existing, the point selected by the commission in 1849 on the azimuth linejoining the junction of the Gila and Colorado rivers with Jlonumeut I, on the Pacific. By themeasurements then made this point was found to be feet south and 1,070 feet west of thejunction. It was originally marked by an iron monument, subsequently transferred to a pointnear the Colorado River on tlie new ArizonaSonora line, and called Monument II. If we admit that the post found in 1893 marks the point established in 1849, as all the testimonyobtainable from old residents of Yuma seems to prove, we have th
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