@misc{indiciae1b5b6d8cc10c, title = {Subsurface geology and oil and gas resources of Osage County, Oklahoma. Part 6, Township 28 north, ranges 10 and 11 east, and township 29 north, ranges 9 to 11 east}, author = {H. B. Goodrich and L. E. Kennedy and Otto Leatherock}, year = {1940}, doi = {10.3133/b900f}, url = {https://pubs.usgs.gov/publication/b900F}, note = {Source identifier: b900F} }