220 EECORD OF DEEP- WELL DRILLING FOR 1905. 
471. Well at Ottumwa, Wapello County. 
[Well begun in May, 1904; completed in May, 1905. Authority, L. Nichols, driller. No samples. 
Geologic correlations l>y E. O. Ulrich.] 
Though this record mentions only the formations below 1,240 feet, the location and depth 
of the well make the record important. The formations given are of Ordovician age. 
Record of John Morrell Packing Company's well No. 5. 
Feet. 
Limestone 1, 240-1, 260 
Green shale - 1, 260-1, 276 
White sandstone 1, 276-1, 314 
Limestone with streaks of shale 1, 314-1 , 325 
White sandstone 1, 325-1, 330 
Limestone 1, 330-1, 355 
Sandstone 1, 355-1, 365 
Limestone 1, 365-1, 423 
Sand or sandy limestone 1, 423-1, 451 
Limestone with crevices '. 1, 451-1, 48£ ! 
White sandstone 1, 485-1, 542 
Limestone with streaks of sandstone 1, 543-1, 56; 
Limestone 1, 565-1, 621 
Sandy limestone 1, 622-1, 6X 
Limestone 1, 632-1, 66J 
White sandstone 1, 66,5-1, 68< 
Sandy limestone with crevices 1, 680-1, 74" 
Limestone 1, 74,5-1, 79 
Sandy limestone or hard sandstone 1, 790-1, 83 ! 
Limestone 1 , 835-1, 85 1 
Sandy limestone or hard sandstone 1, 850-1, 87 
Sandstone 1, 877-1, 8£ j 
Hard limestone 1, 896-2, 0$ j 
Sandstone with streaks of limestone 2, 025-2, 0{ | 
Same as above but thicker streaks, 15 to 20 feet 2, 098-2, 1( 
Hard limestone 2, 160-2, 1! 
Sandy limestone 2, 190-2, 2< 
All rocks between 1,451 and 1,896 feet water-bearing. First flow struck at about 1,1' t 
feet (probably in St. Peter sandstone), 1,000 gallons per minute. Flow increased to abo 
1,400 gallons per minute from 1,451 to 1,899 feet. 
KANSAS. 
477. Well near Laharpe, Allen County. 
[Well begun July 25, 1905; completed August 10, 1905. Authority, E. T. Stanley, driller. Samf 
preserved. Log compiled from samples by S. Sanford. Geologic correlations checked by E. 
Ulrich.] 
This well is in the famous natural-gas field that covers a considerable area about I( 
The gas is found in sandstone lentils in the Cherokee shale, the bottom member of 
Pennsylvanian series of the Carboniferous system of rocks in southeastern Kansas '< 
northern Indian Territory. The formations penetrated by this gas are all included in | 
Pennsylvanian series. They are, in descending order, Iola limestone, Chanute sh I 
Bronson limestone, Dudley shale, Parsons limestone, Bandera shale, Pawnee limestc 
Labette shale, Fort Scott limestone, Cherokee shale. 
The geology of the gas field has been described at some length in Bulletin No. \ 
"Economic geology of the Iola quadrangle," by George I. Adams, Erasmus Haworth, 
W. R. Crane. 
