Born-Digital or AnalogAnalogTranscriptEngineers and surveyors (early) Allen, H. W. Denniston, H. G. Fonda, H. D. Graham, Thomas J. Hall, Elijah J. Jacobi, L. Maxwell, J. A. Richardson, Charles S. Ripley, Frank Starbird, George A. Titcomb, J. S.CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Engineers and surveyors (early), [238663]. Denver Public Library Digital Collections, accessed 06/02/2026, https://digital.denverlibrary.org/nodes/view/1483851
