Edward Ruger opened an office in Janesville for the practice of civil engineering and surveying.

The evidence

• “His father was an accomplished mathematician, and by inheritance and study Edward Ruger became enamored with the study of mathematics and was early drawn to the profession of civil engineering and surveying, and prior to his opening an office in Janesville for the practice of his profession, he had experience in United States land surveying, subdividing sections, and making preliminary and locating surveys for railroads and their construction. In 1857 he opened an office in Janesville for the practice of his profession, and in 1859 was elected city engineer of Janesville, and in 1860 was elected county surveyor of Rock county. He held this office and practiced his profession at Janesville until 1861, doing some hydraulic engineering work in Walworth and Jefferson counties relative to backset of water.”

  1908-brown-rock-county/34b-biographical-2.md, Vol. 2, PDF p. 408 / book p. 900

  Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.

  Grade A: Found on a page of one of our sources