Results for "Smithsonian Institution Building. (Washington, D.C.)"
Preliminary Digging Outside Smithsonian Institution Building
- Date: 1983
- Creator: Ploskonka, Jeffrey
- Creator: Ploskonka, Jeffrey
General Post Office Building
- Date: 1984
- Creator: Ploskonka, Jeffrey
- Creator: Ploskonka, Jeffrey
Excavation for Quad Construction
- Date: 1984
- Creator: Ploskonka, Jeffrey
- Creator: Ploskonka, Jeffrey
Aerial View of Castle
- Date: 1983
- Creator: Ploskonka, Jeffrey
- Creator: Ploskonka, Jeffrey
Paul Haas
- Date: 1982
- Creator: Ploskonka, Jeffrey
- Creator: Ploskonka, Jeffrey
Quad construction
- Date: 1985
- Creator: Ploskonka, Jeffrey
- Creator: Ploskonka, Jeffrey
Trucks Haul Dirt for Quad Construction
- Date: c. 1984
- Creator: Ploskonka, Jeffrey
- Creator: Ploskonka, Jeffrey
The General Post Office's spiral staircase
- Date: 1984
- Creator: Ploskonka, Jeffrey
- Creator: Ploskonka, Jeffrey
Tom Freudenheim, Assistant Secretary for Museums
- Date: 1986
- Creator: Ploskonka, Jeffrey
- Creator: Ploskonka, Jeffrey
Repairs to West Range of A&I
- Date: 1983
- Creator: Ploskonka, Jeffrey
- Creator: Ploskonka, Jeffrey
Quad Complex Construction
- Date: 1983
- Creator: Ploskonka, Jeffrey
- Creator: Ploskonka, Jeffrey
Comedian Mark Russell Comes to SI
- Date: 1984
- Creator: Ploskonka, Jeffrey
- Creator: Ploskonka, Jeffrey
