. Underground water resources of Iowa . p, 652 feet below sea level)— Sandstone, calciferous; fine, liglit colored; rounded grains of quartz, someshowing secondary enlargements; also many minute angular cuttings ofwhite subcrystalline dolomite Sandstone, bufl; 2 samples Sandstone, fine, white and light yellow; 2 samples Dolomite, highly siliceous, white Sandstone, fme gramed, light yellow St. Lawrence formation (222 feet thick; top, 770 feet below sea level)— Dolomite, yellow Dolomite, dark gray Dolomite, gray; ta fine sand Marl, blue gray. Shale, dark greenish, pyritiferous; much dolomite and
. Underground water resources of Iowa . p, 652 feet below sea level)— Sandstone, calciferous; fine, liglit colored; rounded grains of quartz, someshowing secondary enlargements; also many minute angular cuttings ofwhite subcrystalline dolomite Sandstone, bufl; 2 samples Sandstone, fine, white and light yellow; 2 samples Dolomite, highly siliceous, white Sandstone, fme gramed, light yellow St. Lawrence formation (222 feet thick; top, 770 feet below sea level)— Dolomite, yellow Dolomite, dark gray Dolomite, gray; ta fine sand Marl, blue gray. Shale, dark greenish, pyritiferous; much dolomite and chips of fine-grained, argillaceous sandstone Marl, pink , Feet. 135 365 100 Feet. 135 20 620 20 640 20 660 20 680 20 700 40 740 60 800 50 850 35 885 15 900 50 950 40 990 10 1,000 30 1,030 40 1,070 15 1,085 5 1,090 10 1,100 265 1,3C5 .35 1,400 10 1,410 40 1,450 6 1,456 6 1,462 23 1,485 17 1,502 3 1,505 10 1,515 65 1,580 36 1,616 34 1,650 30 1,680 22 .1,702 38 1,740 33 miles WATtR-SUHPLY PAPER 293 PLATE X 17 miles > Green Island. .C^ PenvisV ,\-^^ ?/gS
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Keywords: ., bookcentury1900, bookdecade, booksubjectwatersupply, bookyear1912
