W18th Separate Company ArmoryW23rd Regiment ArmoryWAmsterdam CastleWPublic Library and Baths, Balsall HeathWClaymills Pumping StationWCook Memorial Library (Tamworth, New Hampshire)WEngineer's Office of the Former Pumping StationWMarlborough Brook Filter BedsWMontgomery Water WorksWNiagara Falls ArmoryWPortland Regency Hotel & SpaWRankin Octagonal BarnWRoyal Greenhouses of LaekenWSquadron A ArmoryWState Armory (Springfield, Massachusetts)WWeir GreenhouseWW. H. York Round BarnWZoller-Frasier Round Barn