Characterization of the Loamy Surficial Sediments within the Study Area 146 Origin of the sediments 148 Geomorphic and time setting 148 Loamy Sediments on the lowan Erosion Surface 150 Ruhe's Model of Landscape Evolution 152 Suggestions for Further Study of the Surficial Loamy Sediments 152 LITERATURE CITED 155 ACKNOWLEDGMENTS 163 APPENDIX A. SOIL PROFILE DESCRIPTIONS 165 List of Abbreviations 165 Texture 165 Mottles 165 Structure 165 Consistence 165 Clay films 166 Transect 4 Clay % = 26.6 e (2.79 X 10)(Distance) 53 Clay Content 20 (5.86 X Clay % = 23.6 e .56 (1.82 X 10)(Distance) Clay % = 21.1