Surveying ; a manual of practical instruction in the art of plane surveying, including plotting, leveling, triangulation, line running, cross-sectioning, traversing, and other details of field work (1910)
American School of Correspondence, Phillips, Alfred Edward, 1863- [from old catalog] · Chicago, American school of correspondence · leaf 149
UNITED STATES GEODETIC SURVEYBase Map of the United States Declinatitjiis west of the lino of zero declination are —. those east are -f~- … A RAILROAD CURVE IN THE SIERRA NEVADA. CALIFORNIA View on th<* line i»f tlie Southern Paoitio Railway, where the ro:ul rouuils Cuih* Horn. Innii^uniahious reiriims. theconstru^-li-U of sueh a curve :»u»t embaxikiuent as here showu pre-sui>|»os»-s the most eareful preliminary work l»y…
Surveying
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.