Profile of a route for a rail road from Folsom to summit of Sierra Nevada via Illinoistown, Dutch Flat, & Bear & Yuba Rivers, 1860 Oct 28 / examined by T. D. Judah.
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Judah, Theodore D. (Theodore Dehone), 1826-1863
http://n2t.net/ark:/99166/w6ng535x (person)
Engineer and railroad builder. Theodore Dehone Judah was born Mar. 4, 1862 in Bridgeport, Connecticut. He attended the Rensselaer Polytechnic Institute, then began his career in railroads. Initially located in the East, in 1854 he moved to California as chief engineer of the Sacramento Valley Railroad, and in 1859 became involved in the construction of the California Eastern Extension Railroad in Placer County, California. Judah became convinced of the necessity of a tra...