Memorandum of interview by attorneys Isaacs and Clary of surveyor J. Ogden Marsh, who worked as surveyor for LATR in 1889, and with Clark Miller and Jessup in 1906 (1938)

Typescript notes on histories of tidelands surveys in 1868 (1965)

"Map showing territory annexed to the City of Los Angeles California," Lloyd Aldrich, City Engineer (undated)

Correspondence A.L. Sonderegger to E.E. Bennett re 1937 report on rancho lines at Long Beach Harbor (1937), with certified copies of correspondence from John Wilson (CA Land Commissioner) to Samuel D. King (CA Surveyor General) re meander lines in surveys of swamp lands (1853)

J. Ogden Marsh, "Comparison of Levels of Lines Run in 1890 and 1891 on Terminal Island" (1938)

Copy of "Lecouvereur's Field Book No. 87 copied from Wilmington district, field book 39" (1870), manuscript note "This copy contains Hughes pencil corrections and notations placed thereon by JOM 5/9/38" (surveyor's field book from survey of Wilmington waterfront area)

Typescript of "Hughes notes" on Lecouvereur's survey of tidelands area (undated)

Abstract of Hughes paper (1915) on San Pedro Rancho survey (1857), Inner Bay Exception by Hancock (1857), Palos Verdes Rancho survey (1859), Lecouvereur Survey of Wilmington waterfront (1862), mostly concerned with calculation of mean high water mark, with manuscript correspondence D.E. Hughes to Marsh re abstract (undated)

Memorandum from E.E. Bennett re dredging of Cerritos Channel authorized in 1930 and done in 1931 by Standard Dredging Company (1937)

Typescript and manuscript original "Hancock Notes Ro. Los Cerritos," notes on survey of Los Cerritos Rancho in office of LA County surveyor (undated)