Summary Report #5 and Quarterly Data Report #5 cover the fifth quarter of exploration and environmental data for the Environmental Baseline Program of Tract C-b. These reports specifically cover the fall quarter of September, 1975 through November, 1975. Quarterly Data Report #5 consists of five volumes of a comprehensive compilation of data submitted to the Area Oil Shale Supervisor in Grand Junction on January 16, 1976. Parties interested in reviewing the comprehensive data may contact the Area Oil Shale Supervisor's Office.