Naval architectural plans of three ships built by Union Iron Works, San Francisco, between 1888 and 1893. Three sheets total
include the following plans: an illustration outboard profile at the waterline of the USS Charleston (built 1888; C-2 cruiser),
a twin screw steel protected cruiser measuring 320 feet; an illustration outboard profile and fore view at the waterline of
the USS Oregon (built 1893, battleship BB-3), an Indiana-class battleship measuring 351 feet in length and a sheet of general
arrangement and midship section plans of the El Primero (built 1893; steam yacht), built by Union Iron Works for E.W. Hopkins.
The yacht measures 108 feet at the waterline.