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, "Shop Extensions" Printing on bottom states, "(1) Non-Classified (2) EST-1489 (3) Charleston Naval Shipyard, Charleston, South Carolina (4) 10 September 1961 (5) Extension to Machine Shop and Hydraulic Repair Facility (6) Not Applicable (7) South and WEst Walls (8) Looking Northwest (9) NBy-31328 (10) NBy-EST."