bh017407 Toilet room exhaust fans and incinerator, Chemical Building during construction, Northeast Station, Detroit water supply system
bh017046 Fan in pipe vault between high and low lift plants, Springwells Station, Detroit water supply system
bh016185 Induced draft fan, Springwells Station treatment plant during construction, Detroit water supply system
bh016179 Gas duct and induced draft fan, Springwells Station treatment plant during construction, Detroit water supply system