 Gravel 4 97 To rock 97 62 Gravel 62 See table of deep wells 71 Gravel and blue clay 70 Rock 1 112 To rock 100 Rock 12 100 Gravel and clay 64 Rock 36 26 Bottom in sand 86 Bottom in rock ." 140 Soil, loam and clay 7 Quicksand with yellow clay 5 Clay 113...  Bulletin - Page 70by Illinois State Geological Survey - 1912Full view - About this book
 | Illinois State Geological Survey - Geology - 1912 - 114 pages
...No. Depth. Materials, etc. Thickness. 10 12 is 14 15 16 17 18 19 20 21 22 23 24 23 •-26 <») W tet. Feet. 7 Clay 3 Gravel and sand 4 158 Drift 100 Limestone 58 8 Yellow clay .• I Gravel 4 97 To rock 97 62 Gravel 62 See table of deep wells 71 Gravel and blue clay 70 Rock... | |
 | Arthur Carleton Trowbridge, Illinois State Geological Survey - Geology - 1912 - 114 pages
...(a) •<») («) •3 ~4 6 10 11 12 ' 13 14 15 10 17 18 19 30 22 23 24 25 .26 Feet. Feet. 7 Clay 8 Gravel and sand 4 158 Drift 100 Limestone 58 8 Yellow clay 4 Qravel 4 97 To rock 97 62 Gravel. 62 See table of deep wells 71 Qravel and blue clay 70 Rock 1 112... | |
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