ARCH³ DAN PRATTDocumentary PhotographerArchitectural HistorianArchaeologist About Projects All Projects Historic American Buildings Survey (HABS) Historic American Engineering Record (HAER) Historic American Landscapes Survey (HALS) Minnesota Historic Property Record (MHPR) Properties All Types Architectural History Buildings Digital Documentation Landscapes Lighthouses Monuments Tunnels Featured Pillsbury “A” Mill Water Power Tunnel Pipestone National Monument Dale Reservoir State Sanatorium for Consumptives Scotts Bluff National Monument The Diaries of Jon Arfstrom, Anoka Historical Society North Pier Light South Breakwater Light
