Test drilling in North Canadian River Valley, Canadian County, Oklahoma, by C.R. Frazier,
![A new length of drill-pipe is being raised into position so that hole can be deepened.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Schoff-06161942b.jpg?itok=UUFnGTz8)
Detailed Description
Test drilling in North Canadian River Valley, Canadian County, Oklahoma; Photograph by C.R. Frazier. A new length of drill-pipe is being raised into position so that hole can be deepened.
Sources/Usage
Public Domain.