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			Top of the CONA Hierarchy
			.... Built Works (CONA facet)
			........ <B> (8)

			............ Built Works by class: recreational and entertainment structures
			................ Century of Progress Exposition, 1933-1934
			.................... Central Maine Power Company
			.................... Century of Progress Pavilion
			.................... Crystal Palace
			.................... Electrical Building
			.................... Fountain of Light
			.................... GM Exhibit
			.................... Gulf Oil Exhibit Design
			.................... Hall of Science
			.................... Havoline Thermometer Building
			.................... House of Tomorrow
			.................... Skyway
			.................... Time and Fortune Building
			.................... Travel and Transportation Building

........ <U> (1)