DETAILED RECORDS. 295 
Allegheny: Feet. 
Soft white slate. 1, 260-1, 390 
Hard white sand 1, 390-1 . 125 
Soft black slate 1 , 42.5-1 , 550 
Pottsville: 
Hard sand, Salt sand 1, 550- ! . 581 I 
Soft white slate 1 , 580-1 . 670 
Hard white sand; salt water at 1,690 feet 1, 670-1 . 775 
Maudi Chunk: 
S u ft white slate 1. 775-1 . 81 iO 
Hard lime, Little Lime 1, 860-1, 885 
Pencil Cave, soft 1, 88.5-1, 895 
Blue Monday, hard 1, 89.5-1, C09 
Hard white lime, Big Lime 1, 909-1, 980 
Poeono : 
Hard white sand, Big Injun 1, 980-2, 210 
Soft white slate 2, 210-2, 560 
Poeono or Catskill ( ?) : 
Hard sand, Fifty-foot 2, .560-2, 600 
Soft white slate 2, 600-2, 780 
Catskill: 
Hard sand, Stray sand 2, 780-2, 795 
Hard white sand, Gordon 2, 79.5-2, 820 
Diameter, 13 inches from to 162 feet; 10 inches from 162 to 1,195 feet; 8 inches from 
1,195 to 1 .909 feet; 6h inches from 1,909 to 2,310 feet. Gas struck in Gordon sand. Rock 
pn--ure, 800 pounds. Casing used, 162 feet of 10-inch; 1,195 feet of 8-inch; 1,909 feet of 
6£-mch; 2,310 feet of .5-inch. 
WISCONSIN. 
1826. Weil near Manitowoc-, Manitowoc County. 
FWell begun in May, 1905; completed in August, 1905. Authority, William Weber, driller. Samples 
preserved. Geologic correlations by E. O. Ulricb.] 
Deep wells near Manitowoc ohtain water from several formations. This one tapped the 
Niagara limestone. The formations are the drift (Pleistocene): Niagara limestone and 
Clinton iron ore (Silurian), and Maquoketa shale (Ordovician). 
Record of well of Northern Grain Company, in sec. 31, T. 19, R. 24- 
Drift : 
Yellow sand 3- 6 
Hard yellow clay 6- 20 
Medium-hard blue clay 20- 85 
No sample 85- 90 
Niagara: 
Medium-hard to very hard brownish and grayish limestone 90-148 
Hard sandy limestone and dark-gray shale 148-180 
Medium-hard brownish and grayish limestone 180-195 
Very hard white limestone 195-230 
Hard gray limestone; water stands within 30 feet of surface 230-237 
Very hard white limestone 237 287 
Soft gray limestone 287-315 
Hard grayish and brownish limestone, fossiliferous at 328 to 350 and 398 to 
410 feet ; sulphur water at last depth 31-5-410 
