TABLE 1. Selected geologic sections ______________________ C7 2. Types of analyses conducted on samples _______ __ 12 3. Particle-size distribution __________________ 13 4. Particle-size percentiles and statistical summaries __ 17 5. Pebble-lithology data _______________________ 24 6. Heavy-mineral content of selected samples ________ 28 7. Clay-mineral content of selected samples _______________ 29 8. Percentage of soluble material of selected samples ___ 33 9. Stratigraphic column of glacial till _____________ 40