Database for the geologic map of the Chelan 30-minute by 60-minute quadrangle, Washington (I-1661) - Tabor, R.; Frizzell Jr., V.; Whetten, J.; Waitt, R. B.; Swanson, D.; Byerly, G.; Booth, D.; Hetherington, M.; Zartman, R. E. (Data Series, 2006)