Projects All Projects Historic American Buildings Survey (HABS) Historic American Engineering Record (HAER) Historic American Landscapes Survey (HALS) Minnesota Historic Property Record (MHPR) Property Type All Types Architectural History Buildings Digital Documentation Landscapes Lighthouses Monuments Tunnels All Projects, Minnesota Historic Property Record (MHPR) 9/23/24 All Projects, Minnesota Historic Property Record (MHPR) 9/23/24 Ah-Gwah-Ching State Sanatorium for Consumptives Read More
All Projects, Minnesota Historic Property Record (MHPR) 9/23/24 All Projects, Minnesota Historic Property Record (MHPR) 9/23/24 Ah-Gwah-Ching State Sanatorium for Consumptives Read More