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 to 1896U.S. Government Printing Office, 1898 - 296 páginas |
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angle Ariz assistant engineer astronomical station azimuth line base boundary line Brad Brln Brsls Cambr camp cañons Coast and Geodetic Colorado River computed curve desert determined diameter difference east El Paso elevation engineers in chief erected feet Geodetic Survey Glsgw Greenwich 89 Grnwch Groombridge heliotrope initial point inscriptions instrument International Boundary Commission interval iron monuments J. W. Barlow JACOBO BLANCO Jrbh kilometers latitude length of sight line of sight located longitude maps marked masonry meridian section mesa meters Mexican section Mexico Microm micrometer miles west Mountains Nogales offsets old monuments Oxfrd Pacific pairs parallel 31 Paris 60 Paris 75 Paso Patagonia Mountains Piazzi placed probable error proper motion Pulk refraction ridge Rome San Pedro River Sectional iron Solid iron Sonoyta stadia measurements star stone tangent theodolite topographical transit triangulation United States section valley vertical vibration wagon Washgtn Yrnl Yuma zenith telescope