270 PETROLEUM AND NATURAL GAS. 



Thickness. Total. 



Feet. Feet. 



Sand, white, hard 24 1549 



Red rock, soft 86 1635 



Little Lime, blue, hard 39 1674 



Pencil Cave, soft 10 1684 



Big Lime, gray, hard 106 1790 



Big Injun Sand 90 1880 



Sand, Squaw (little oil at 1890') and lime, blue.. 20 1900 



Lime (little oil at 1900') 40 1940 



Sand, Weir, and lime 32 1972 



10" casing, 420'; 8%", 1060'; 6%", 1779'. 



Along the axis of the Chestnut Ridge Anticline and on its 

 northwestern slope, numerous wells have been drilled on the 

 branches of Polk Creek, represented by the seven following 

 records : 



M. L. Butcher No. 57 Well Record (149). 



Freemans Creek District; 1.9 miles northeast of Camden; au- 

 thority, Reserve Gas Co.; completed, June 4, 1904; elevation, 1135' B. 



Top. Bottom. 



Feet. Feet. 



Conductor 14 



Big Dunkard Sand 360 400 



Gas Sand (show of oil, 600') 485 605 



Second Cow Run Sand 620 640 



Sand, Salt 810 900 



Maxton Sand 950 1030 



Little Lime 1295 1310 



Pencil Cave 1310 1315 



Big Lime (light gas and oil, 1360') 1315 1375 



Big Injun Sand (light gas, 1422') 1375 1535 



Thirty-foot Sand 1905 1925 



Gordon Stray Sand (gas, 1987') 1983 2001 



Gordon Sand 2011 2055 



Fifth Sand (gas, 2199') to bottom 2196 2206 



M. L. Butcher No. 412 Well Record (150). 



Freemans Creek District; 1.9 miles northeast of Camden; au- 

 thority, Reserve Gas Co.; completed, June 6, 1913; elevation, 1195' B. 



Top. Bottom. 



Feet. Feet. 



Gas Sand 431 517 



Second Cow Run Sand 528 645 



Salt Sand (oil, 680') 670 736 



Salt Sand 848 90 8 



Salt Sand 98g 1029 



Maxton Sand 1150 1220 



