Typescript history of development at the harbor, with indices of charts of the area by date, table "Seaside Park 1905-6, Off shore current observations," and bound-in plates L-1 through L-36:

L-1. "Tracing showing right of way required by the LATRyCo through the property of the Long Beach Development Co," blueline print (undated)

L-2. "Map of Long Beach and San Pedro Ry, through Rattlesnake Island in Los Angeles County, Cal," blueprint (1888)

L-3. "Sketch of part of the route of Los Angeles & Ocean Railway, 1st division through City of Long Beach," blueprint (1888)

L-3-A. Unlabeled map, blueline print (undated)

L-3-B. "Map of the Ocean Front Addition to Long Beach, Los Angeles County California," V. J. Rowan, positive photostat (1887)

L-4. "Map showing 100 acre tract, located between SPLA&SLRR & Los Cerritos Slough, City of Long Beach, Los Angeles County California," A.L. Sonderedgger (undated)

L-5. "Map showing property belonging to the Seaside Water Co. in the westerly portion of the City of Long Beach, California," Lippincott & Parker, blueline print (1904)

L-6. "Los Angeles Dock and Terminal Co. General Plan of Long Beach Harbor, November 1905," A.L. Sonderegger, blueline print (1905)

L-7. "Los Angeles Dock and Terminal Co., map showing location of proposed harbor at Long Beach Cal.," drawn on USGS quadrangle of "Wilmington and San Pedro Harbors, California" (1904), with Correspondence from War Department re permission for LAD&TC to dredge at Long Beach harbor, positive photostats (1905)

L-8. "Long Beach Harbor soundings taken 1905-06," blueline print (undated)

L-8-A. "Map showing a portion of Cerritos Slough and Main Channel connecting Wilmington Lagoon with the Old San Gabriel River; in the westerly portion of the City of Long Beach, Los Angeles County, Calif.," A.L. Sonderegger, positive photostat (1906)

L-8-B. "Cross sections of Cerritos Slough and main channel, between Wilmington Lagoon and the Old San Gabriel River," A.L. Sonderegger, negative photostat (1906)

L-8-C. "Diagrams showing height of tide as derived from simultaneous observations in the Ocean, Wilmington Channel and Cerritos Slough," C.G. Ricketson, negative photostat (1906)

L-9. "Los Angeles Dock and Terminal Co. proposed improvement of Cerritos Slough," drawn on USGS quadrangle of "Wilmington and San Pedro Harbors, Cal." (1904) positive photostat, with typescript correspondence from "US Engineer office re permission to dredge Cerritos Slough" (1907)

L-10. "Los Angeles Dock and Terminal Co. map showing a portion of Cerritos Slough and main channel connecting Wilmington Lagoon with the Old San Gabriel River in the westerly portion of the City of Long Beach, Los Angeles County, Calif., proposed plan of improvement," A.L. Sonderegger, positive photostat (undated)

L-11. "Los Angeles Dock & Terminal Co., cross sections of Cerritos Slough, showing proposed improved channel and deposit grounds for excavated material," blueprint (1906)

L-12. "Tidal Observations, Oct. 12 - 1906," blueprint (1906)

L-13. "LAD&T Co. hydrography off Seaside Park," H.W. Rhodes positive photostat (1905)

L-13-A. "Los Angeles Dock & Terminal Co., submarine topography at mouth of Old San Gabriel River," blueprint (1906)

L-13-B. "Los Angeles Dock & Terminal Co. profile on line of off-shore & in-shore borings," blueprint (1905)

L-14. "Los Angeles Dock & Terminal Co., bulkhead along west line of ocean entrance north of Salt Lake RR," blueprint (1909)

L-15. "Los Angeles Dock & Terminal Co. sketch plan of Long Beach Harbor," blueprint (1907)

[L-16 Absent]

L-17. "Map showing a portion of Cerritos Slough and main channel connecting Wilmington Lagoon with the Old San Gabriel River in the westerly portion of the City of Long Beach, Los Angeles County Calif.," blueprint (1906)

L-17-1. "Cross section of Cerritos Slough and Wilmington Channel," blueprint (1906)

L-17-2. "Cross Section of Cerritos Slough and Wilmington Channel," blueprint (1906)

L-17-3. "Cross Section of Cerritos Slough and Wilmington Channel," blueprint (1906)

L-18. "Diagram showing predicted tides for month of November 1906, calculated from official tide tables for the port of San Pedro, standard for reference San Diego," positive photostat (1906)

L-19. "Los Angeles Dock & Terminal Co., Diagrams showing height of tide as derived from simultaneous observations in the Ocean, Wilmington Channel and Cerritos Slough," A.L. Sonderegger, blueline print (1906)

L-20. "Los Angeles Dock and Terminal Co. general plan of Long Beach Harbor," A.L. Sonderegger, blueprint with notation at bottom indicates use as plaintiff's exhibit in Carver et al vs SPLA&SLRR (undated)

[L-21 and L-22 absent]

L-23. "Los Angeles Dock & Terminal Company, plat of lands lying between SPLA&SLRR and Pacific Ocean," A.L. Sonderegger, blueprint (1906)

L-23-A. "Map showing former and present boundary lines of property at the estuary of the Old San Gabriel (Los Angeles River), Long Beach Cal., Oct. 1906," A.L. Sonderegger, blueprint (1906)

L-24. "LAD&T Co. location of dam at mouth of Old San Gabriel River, Long Beach Cal.," C.G. Ricketson, blueprint (1906)

L-25. "Los Angeles Dock and Terminal Co., map showing location of proposed harbor entrance at Long Beach, Cal," drawn on USGS quadrangle "Wilmington and San Pedro Harbors, California" (1904), with Correspondence from War Department re permission for construction of jetties and dredging of channel, positive photostats (1906)

L-26. Unlabeled chart, blueprint (undated)

L-27-1. "LAD&T Co. cross sections, San Gabriel outlet, south of life bridge," L.H. Foster, blueprint (1909)

L-27-2. "LAD&T Co. Survey - cross sections, San Gabriel Outlet, south of Salt Lake Bridge," L.H. Foster, blueprint (1909)

L-27-3. "LAD&T Co, Cross Sections of San Gabriel Outlet, south of Salt Lake Bridge," L.H. Foster, blueprint (1909)

L-27-A. "Los Angeles Dock & Terminal Co., Long Beach Harbor, soundings in entrance channel, taken during course of dredging," A.L. Sonderegger, blueprint (1911)

L-27-B. "LAD&T Co., Ocean Entrance," C.G. Ricketson, blueprint (1911)

L-27-C. "LA Dock & Terminal Co. Ocean Entrance, soundings taken October, 1913," C.G. Ricketson, blueprint (1913)

L-28. Los Angeles Dock & terminal Co., Long Beach Harbor, survey of shore line, elevation +5.10," A.L. Sonderegger, blueprint (1938)

L-29. "Los Angeles Dock and Terminal Co., map of Long Beach Harbor," A.L. Sonderegger, blueline print (1915)

L-30-1. "Los Angeles Dock & Terminal Co. dredging contract with Western Dredging & Marine Construction Co., final estimate, cross-sections of Salt Lake Channel," blueprint (1908)

L-30-2. "Los Angeles Dock & Terminal Co. dredging contract with Western Dredging & Marine Construction Co., final estimate, cross-sections of Salt Lake Channel," blueprint (1908)

L-31. "SPLA&SLRR Los Angeles division, map showing exchange of lands by the SPLA&SLRR Co. and the LAD&T Co., Long Beach Cal.," blueline print (1910)

L-32. "Map showing property of Craig Shipbuilding Company," A.L. Sonderegger, blueprint (1915)

L-33. "Map of Long Beach Harbor, showing ownership of properties," D.M. Reynolds, blueline print with colored pencil (1924)

L-34. "Los Angeles Dock and Terminal Co., map showing parcels of land to be deeded to Los Angeles County Flood Control, located in the city of Long Beach Calif.," blueprint (1918)

L-35. "This chart is from the C&G Survey," positive photostat map showing measured depths of water in bay, as well as terrain features around Wilmington and Terminal Island (undated)