1. Precision Instrument Bldg. Date: 1961-10-10 Description: Printing on bottom states, "(1) Non-classified (2) EST-1674 (3) CNSYD, Charleston, SC (4) 10 October 1961 (5) Precision Instrument Bldg. (6) Not Applicable (7) South Side (8) Looking North (9) NBY-31367 (10) NSY-EST
2. Multi-Purpose Building Date: 1961-10-10 Description: Writing on bottom states, "(1) Non-Classified (2) EST-1672 (3) CNSYD, Charleston, SC (4) 10 October 1961 (5) Multi-Purpose Building (6) Not Applicable (7) South and West Walls (8) Looking Northeast (9) NBy-31328 (10) NST-EST
3. Machine Shop Extension Date: 1961-10-10 Description: Printing on bottom states, "(1) Non-classified (2) EST-1673 (3) CNSYD, Charleston, SC (4) 10 October 1961 (5) Machine Shop Extension (6) Not Applicable (7) South Wall (8) Looking Southeast (9) NBY-31328 (10) NSY-EST