Correspondence and documents re improvements at Long Beach Harbor, mostly construction of bulkheads and dredging of channels, including:

Manuscript correspondence from C.G. Larkin to Henry M. Isaacs, re improvements authorized by Secretary of War on stationery from "The Carleton, Washington, DC" (1938)

Manuscript notes re improvements (undated)

"Report and plan re breakwater at Wilmington, Cal.," G.H. Mendell (Mayor of Engineers, San Francisco to Chief of Engineers, Washington, DC), typescript (1871)

"Extracts from annual exports of the chief of engineers, US Army, to Secretary of War, as well as extracts from reports of US officers in charge of surveys and improvements of Wilmington Harbor," typescript, 13 pp (1875-1900)

"Re: dredge at Long Beach," P.H. Ducker, typescript, 6 pp, reminiscence of Southern California Edison Company employee re dredging at Long Beach Harbor in 1907 (1938)

Statement of assessments levied against property of LA&SLRR Co and contributions by the company to defray the cost of improvements in the harbor district, typescript, lists improvements by date, includes authority for improvement, location, character of improvement, and amount of assessment (undated)

Manuscript tables with manuscript coversheet "these figures used in compiling costs of improvements as alleged in answer" (undated)

"Proposed dredging in Long Beach harbor in City of Long Beach, California," R.D. Van Alstine, negative photostat (1924)

"City Engineers office Long Beach Calif, dredging plan for turning basin, Long Beach Harbor, R.D. Alstine, negative photostat (1924)

"Harbor Department, City of Long Beach, California, office of the chief engineer, Terminal Island 5.1 contour of south shore in City of Long Beach," positive photostat (1930)