see L-7-1 7.5 Silty Bentonite Clay bent >25% prob. first few inches with blebs of 10YR 6/6 limonite Color 5Y 4/1 small carb bleb 5YR 3/2. Pop corny surface 4" iron rich mottled 5YR 4/4 on 5Y 4/1 clay some carb blebs. 12 do 7.5 whole section has pop corn s of from 7.5 - 15.5 15.3 - 5YR 3/1 clay 15.4 - limonite stained 5Y 7/4 silty crusts in clay. 15.5 concealed zone 10YR 5/4 Soil siltst. good aquifer 18.5 - 10YR 7/4 siltst ledge 18.6 10YR 4/6 & 5YR 5/6 9 5R 2/4 iron r