Under tab, "Shipfitter Shop" Printing on bottom states, "Shop XII Extension" Printing on back states, "Construction of Extension to Machine Shop, Building 3"
Under tab, "Gyro Building" Printing on bottom states, "Gyro Store House Noisette Creek", on back, "Construction of Precision Instrument Storage Facility, Aug 1961."
Under tab "Power Plant". Printing on bottom states, "586-39 US Navy Yard, Charleston, SC 17 October 1939. Improvement of Power Plant. Allotment 7-08/0679.1-91-1 (PWA). 5000 c.f.m. steam driven Air Compressor. Contract NOy-3216. Looking northeast. File 7880."
