Resolution of City of Long Beach accepting survey report of Arthur L. Sonderegger, with report.

"City of Long Beach report on San Gabriel River, permanent plan of improvement of San Gabriel River by City of Long Beach," negative photostat, 300':1"

"Map of the Rancho San Pedro, finally confirmed to Manuel Dominguez, et al, surveyed under the directions of the US Surveyor General, by Henry Hancock, depy surveyor," three negative photostats, 60 chains:1 inch (1857)

"Map of the Rancho Los Cerritos, finally confirmed to Juan Temple, surveyed under instructions from the US Surveyor General by Henry Hancock, dep sur," 40 chs:1 inch (1866)

"Fractional Township no. 5 South, Range no. 13 West, San Bernardino Meridian," negative photostat (1880)

City of Long Beach, copy of map filed by Los Angeles Terminal Railway with board of engineers investigating deep water harbor at Port Los Angeles or at San Pedro, Cal, Senate Doc. No. 18, 55th Congress, 1st Session, page 276, map of mouth of Old San Gabriel River, negative photostat, 1":300' (1896)

"City of Long Beach report on San Gabriel River, map showing topographical and hydrographical features of Old San Gabriel River and Cerritos Slough as surveyed in 1906, and proposed harbor development of Los Angeles Dock and Terminal Co," negative photostat, 200':1"

Plan showing "proposed Inner Harbor development of Los Angeles Dock and Terminal Co., as authorized by Sec. of War," negative photostat

"City of Long Beach map showing main channel from Wilmington Lagoon to San Gabriel River," A.L. Sonderegger, negative photostat, 1":400'

"City of Long Beach, report on San Gabriel River, cross sections of Cerritos Slough," A.L. Sonderegger, positive photostat

"City of Long Beach, report on San Gabriel River, cross sections of San Gabriel River," A.L. Sonderegger, positive photostat

"City of Long Beach, report on San Gabriel River, cross sections of Wilmington Channel," A.L. Sonderegger, positive photostat

"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, positive photostat

Order from Secretary of War authorizing dredging work at Long Beach Harbor, positive and negative photostats