Old shelf number: eph J5-16(2). A plan of Long Beach Harbor before the Los Angeles River was channelized down Cerritos Slough. Channels two and three still exist but the residential tracts were probably never realized. The circular street tract at the upper right does exist and landfill has extended Long Beach well into the ocean. Prime meridian: GM. Relief: no. Graphic Scale: Feet. Projection: Cylindrical. Printing Process: Lithography. Verso Text: MS notes: Eph J5-16(2) Plan of Long Beach Harbor.