Nome and Council RailroadHulett Ore Unloader, Cleveland OhioCalifornia AqueductA Frame Steam Engine, Estate Adrian, USVISouth Tower, Verrazano Narrows BridgeGold mine addit, at 13000 feet San Juan Mountains of ColoradoAntelope Valley Windfarm, Southern CaliforniaContinuous Casting Machine, US Steel Birmingham AlabamaBrooklynn Bridge,  fall of 82Canton Coal Pier, Baltimore MarylandInterior of Steam Boiler aboard lake vessel TiconderogaCrater Lake Rim Road at Western Edge of Crater LakeGun Carriage WWII DestroyerGeorge Washington Bridge from Jersey side of HudsonAerial of East Tower of GW Bridge, NY Interior Superstructure, East Tower GW Bridge, NYHemlock Bridge, Acadia National Park, MaineStorm Clearing, Butte MontanaPanama Canal Lock Chamber, 2001 renovation processLast Loran Tower, Cape May New JerseyMillion Dollar Bridge,  Cordova Alaska, 1981Interior of Midbay anchorage San Francisco-Oakland BridgeOpposing Viaducts, Alaskan Way viaduct, Seattle WAQuincy Mine Shaft Steam HoistRouge Steel Plant,Schirzer Rolling Lift Bridge, Cleveland OhioShuttle Carrier and OrbiterBelly of Orbiter DiscoveryTahawas Iron Furnace, upstate New YorkFlight Deck, Shuttle OrbiterTilting Ladle, Ensley Furnaces, Birmingham AlabamaCarding Machine, Watkins Mill, Lawson MissourriTorch of Liberty before Gold LeafingOnion Dome, Kalskag AlaskaRoofscape, White Truck Factory, Cleveland Ohio