Scope and Content Four reports on surveys re Long Beach Harbor area, by D.E. Hughes:"Bench mark, San Pedro, Cal," typescript report to Chief of Engineering, US Army (1891) "Random notes on lands and tides," typescript, 9 pages of manuscript note reads "obtained from US Engr's Office, Sept. 1930" (1927)Memorandum lacking title page, typescript (1915)Manuscript correspondence D.E. Hughes to E.M. Jessup, re location of "single work" at Long Beach Harbor (1915)...