PH1988:0444:004
October 1963
PH1988:0444:007
ca. 1960
PH1988:0444:008
ca. 1960
PH1988:0444:009
ca. 1960
View along a concrete tunnel
PH1988:0444:010
ca. 1960
PH1988:0444:011
ca. 1960
View of steel beams in water
PH1988:0444:015
ca. 1960
PH1988:0444:017
ca. 1950