Benedict, JB 1981: The Fourth of July Valley. Glacial Geology and Archeology of the Timberline Ecotone. - Research Report No. 2. Center for Mountain Archeology, Ward, Colorado. 139 pp. [RLL List # 131 / Rec.# 1770] Keywords: LICHENOMETRY/ COLORADO/ RHIZOCARPON
Abstract: 90 figures. 2 tables. [Includes lichenometric data using Rhizocarpon.]