Résumé

Partner, Cotterill and [Frederick H.] Whitworth, Civil Engineers and Surveyors, Seattle, WA, 1907. In 1907, Cotterill and Whitworth maintained an office in Room #612 of the New York Building. (See R.L. Polk and Company's Seattle, Washington, City Directory, 1907, p. 350.)

Relocation

Cotterill lived at 233 Taylor Avenue in Seattle, WA. (See R.L. Polk and Company's Seattle, Washington, City Directory, 1907, p. 350.)