. Annual Reports of the Department of the Interior 1905. ^ V ^ V LEGEND A Astronomic stations^ Triangulation stations Routes of primary traverse??^ Routes of spirit levelsL Quadrangles completely leveled Published Surveyed and in course ofpublication Surveyed in 1904-05 and incourse of publication Manz Eng. Co., Chi. 42 38 37 36 74 HARYLAISTD, VIRGIISTIA, WEST VIRGIlSriA, AJSTD OHIOSURVEYING A]Srr> PRIMARY CONTROL WORK OF THE YEAR TOPOGRAPHIC BRANCH. 183 Colorado.—Two parties were engaged in topographicwork in the Black Hawk quadrangle and in the IdahoSprings, Silver Plume, and Central City
. Annual Reports of the Department of the Interior 1905. ^ V ^ V LEGEND A Astronomic stations^ Triangulation stations Routes of primary traverse??^ Routes of spirit levelsL Quadrangles completely leveled Published Surveyed and in course ofpublication Surveyed in 1904-05 and incourse of publication Manz Eng. Co., Chi. 42 38 37 36 74 HARYLAISTD, VIRGIISTIA, WEST VIRGIlSriA, AJSTD OHIOSURVEYING A]Srr> PRIMARY CONTROL WORK OF THE YEAR TOPOGRAPHIC BRANCH. 183 Colorado.—Two parties were engaged in topographicwork in the Black Hawk quadrangle and in the IdahoSprings, Silver Plume, and Central City Special quad-rangles. The Black Hawk work was for publication onthe scale of 1:62,500, with a contour interval of 100 feet,and the work in the special quadrangles was for publica-tion on the scale of 1: 12,000, with a contour interval of 10feet. Topographic surveys in Colorado, 1904-5. Sheet. Topographer. Areamap]»ed. Levels. Conutv. * Spiritlevels. Bench Jefferscin Boulder. ...... Gilpin Clear Creek ...Teller Black lldaho
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherwashi, bookyear1905
