North Wind Archaeological Research & Historical Preservation (NWARCH) provides full-service cultural resource investigation and historic preservation services to commercial, municipal, state, tribal and federal clients. NWARCH provides National Historic Preservation Act (NHPA) Section 106 and 110 compliance, archaeological and architectural surveys, Phase (Class) I, II, and III surveys, National Register of Historic Places (NRHP) nominations and evaluations, archaeological testing and data recovery excavation, and Historic American Building Survey (HABS)/Historic American Engineering Record (HAER) documentation.