Wirth and Associates No description specified. 1-3 (3 Records) Documents Archaeological Survey of the Mountain Springs (Jade) / Aps / Sdg & E Interconnection Project (1982) In-Ko-Pah Gorge Discontinguous Archaeological District (Draft) (1982) Phase One Regional Studies Aps / Sdg&E Interconnection Project Transmission System Cultural Resources. Archeology (1979)