Henderson, James Houston 1878-1935 creator mixed material monographic eng 23 1 0.2 Correspondence, employment records, biographical notes, and photographs chiefly relating to Henderson's work as chief surveyor of the Panama Canal and as a civil engineer for the construction of roads and bridges for the Panama Railroad. Includes Henderson's letters to his wife, Lula Ross Henderson. Open to research. Surveyor and civil engineer. Collection material in English. Finding aid available in the Library of Congress Manuscript Reading Room and at http://hdl.loc.gov/loc.mss/eadmss.ms009186 Henderson, Lula Ross Correspondence Panama Railroad Co. Bridges Design and construction Civil engineering Panama Railroads Panama Roads Construction Panama Surveying Panama Panama Canal (Panama) Surveys Civil engineers Surveyors mm 94084036 hdl:loc.mss/eadmss.ms009186 hdl:loc.mss/eadmss.ms009186.3 http://hdl.loc.gov/loc.mss/eadmss.ms009186 http://hdl.loc.gov/loc.mss/eadmss.ms009186.3 Open to research. DLC 970618 20260227111724.0 mm 94084036