Printing on bottom states, "(1) Non-Classified (2) EST-629 (3) Charleston Naval Shipyard, Charleston, South Carolina (4) 25 May 1966 (5) Nuclear Service Building (6) Not Applicable (7) Exterior of Bldg & Compound (8) Looking East (9) NBy-608020 (10) NBy-EST."
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."
Accompaning note states, "Floating Drydock - To augment Drydock No. 1 and Drydock No. 2 Charleston maintains ARD 15 shown here, and ARD 12. These ARDs provide additional capability for meeting heavy docking needs to Fleet in this area."
Under tab, "Shop Extensions" Printing on bottom states, "(1) Non-Classified (2) EST-1502 (3) Charleston Naval Shipyard, Charleston, South Carolina (4) 10 September 1961 (5) Multi-Pupose Building and Extension to Machine Shop (6) Not Applicable (7) North Wall (8) Looking South(9) NBy-31328 (10) NBy-EST."