processes that produced the landforms and minerals we see. More than just describing how individual types of rocks and minerals forms, he expanded the view to include descriptions of how major landforms such as mountains and valleys formed. See also List of National Historic Landmarks in Connecticut National Register of Historic Places listings in New Haven, Connecticut References External links Dana House 1996 Exterior Renovation, Yale University Department of Statistics Houses in New Haven, Connecticut Yale University buildings Houses completed in 1849 Houses completed in 1868 Historic district contributing properties in Connecticut Houses on the National Register of Historic Places in Connecticut National Historic Landmarks in Connecticut National Register of Historic Places in New Haven, Connecticut 1849 establishments in Connecticut Italianate architecture in Connecticut Silliman family