SUBSURFACE CRYSTALLINES 



555 



it is not necessarily true that three granite wells in a row mark a buried 

 ridge. One might easily take a granite well map of southeastern Kansas 

 and northeastern Oklahoma and draw lines in every direction, some of 

 which might possibly be located along a buried ridge. 



The data set forth in this paper have been secured from many sources, 

 chiefly from State geologists and from the chief geologists of the various 

 oil companies, as well as from many private investigators, to each of 

 whom is due my sincere thanks. No pretense is made to completeness 

 in this paper, for new granite wells are constantly being drilled. Doubt- 

 less many wells which have encountered granite have never come to the 

 attention of geologists, while in many other cases the information can not 

 yet be divulged for "business reasons.'' This paper must, therefore, be 

 considered nothing more than a progress report. However, it is believed 

 that the locations hereby given will represent in a fair manner our 

 present available knowledge of the subject. 



List of granite Wells 



The following tentative list shows the location and depth of the granite 

 wells of which the writer now has a record, in the States of Nebraska, 

 Kansas, Missouri, Arkansas, Oklahoma, Texas, and eastern New Mexico : 



Nehraska 



Depth, feet ' 



Township 1 nortti, range 12 east 522 Pawnee County. 



2 north, range 12 east 600 Pawnee County. 



3 north, range 12 east 600 Pawnee County. 











Kar 



isa 



s 



Depth, feet 





Section 36, 



township 



32 



south, 



range 



2 



east 



3,420 



Sumner County 



7, 



township 



22 



south. 



range 



4 



east 



3,355 



Marion County. 



1, 



township 



23 



south, 



range 



4 



east 



3,530 



Butler County. 



11, 



township 



26 



south, 



range 



4 



east 



2,675 



Butler County. 



12, 



township 



26 



south, 



range 



4 



east 



2,805 



Butler County. 



17, 



township 



28 



south. 



range 



4 



east 



2,800 



Butler County. 



2 



township 



7 



south, 



range 



5 



east 



2,520 



Riley County. 



25', 



township 



20 



south, 



range 



5 



east 



3,040 



Marion County. 



12, 



township 



23 



south. 



range 



5 



east 



2,500 



Butler County. 



14, 



township 



23 



south. 



range 



5 



east 



2,331 



Butler County. 



16, 



township 



23 



south, 



range 



5 



east 



2,735 



Butler County. 



26, 



township 



23 



south. 



range 



5 



east 



2,545 



Butler County. 



6, 



township 



24 



south, 



range 



5 



east 



.... 



Butler County. 



5, 



township 



18 



south. 



range 



6 



east 



2,515 



Chase County. 



