Congressional Edition Volume 5121 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1907 Excerpt: ...of the topographic survey of the San Cristobal quadrangle, in Hinsdale, Mineral, San Juan, and La Plata counties, for publication on the scale of 1:125,000, with a contour interval of 100 feet. The area surveyed was 784 square miles, in connection with which 735 miles of traverse lines were run and 4 permanent bench marks were established by vertical angulation. Idaho, proposed reserve.--One party was engaged in the topographic survey of the Cataldo quadrangle, in Kootenai and Shoshone counties. The area mapped was 160 square miles, for publication on the scale of 1:125,000, with a contour interval of 100 feet, in connection with which 195 miles of traverse lines were run. For the control of this quadrangle and adjoining areas 120 miles of levels were run and 19 permanent bench marks were established. Idaho, Priest River Reserve.--One party secured partial control for this reserve by running 14 miles of levels and establishing 8 permanent bench marks. Montana, Ilellgate Reserve.--One party was engaged in the topographic survey of the Philipsburg quadrangle and of a small adjoining area in the Anaconda quadrangle, in Deerlodge and Granite counties. The area mapped was 856 square miles, for publication on the scale of 1:125,000, with a contour interval of 100 feet, in connection with which 615 miles of traverse lines were run. For the control of this work 216 miles of levels were run and 61 permanent bench marks were established. Nero Mexico.--One party was engaged in running levels in two localities in New Mexico, in one for the control of a proposed reserve including the Gallina quadrangle, and in the other, which was along the Santa Fe Railway, for securing control for the Gila River Reserve. The total distance was 415 miles of levels, in connection with w...