Big Muddy River Comprehensive Basin Study: Appendix B. Jordan, P.R. Availability of ground water in the Big Muddy River Basin, Southern Illinois. Formal comments. Mineral resources. Appendix C. Formal comments. Appendix D. Fluvial sediment. Formal comments. Appendix E. Water use and stream quality. Appendix F. Flood control & drainage. Formal comments. Appendix G. Navigation. Formal comments. Appendix H. Recreation. pt. 1. Natural, historical & archaeological resources; pt. 2. Water-oriented outdoor recreation; Formal comments. Appendix I. Fish and wildlife conservation. Appendix J. Power