Reconnaissance geologic map and geochronology, Talkeetna Mountains quadrangle, northern part of Anchorage quadrangle, and southwest corner of Healy quadrangle, Alaska - Csejtey Jr., Bela; Nelson, W.; Jones, D.; Silberling, Norman; Dean, R.; Morris, M.S.; Lanphere, M.; Smith, James G.; Silberman, M.L. (Open-File Report, 1978)