PH1993:0167
architecture, engineering
May 1988
architecture, engineering
PH1984:0099
architecture, topographic
1982
architecture, topographic
PH1980:1187
engineering, sculpture, topographic
1979
engineering, sculpture, topographic
PH1980:1188
engineering, sculpture, topographic
1979
engineering, sculpture, topographic
PH1985:0682
architecture
1983
architecture
PH1985:0683
architecture
1984
architecture
PH1984:0097
engineering, sculpture, topographic
1979
engineering, sculpture, topographic
PH1984:0098
engineering, sculpture, topographic
1979
engineering, sculpture, topographic
PH1984:0100
architecture, topographic
1982
architecture, topographic
PH1984:0101
engineering, sculpture, topographic
1979
engineering, sculpture, topographic