@misc{indiciaebfc41859d726, title = {Preliminary report on the economic potential of the Chattanooga Shale in Tennessee, data as of 1962}, author = {Andrew Brown and Irving May}, year = {1975}, doi = {10.3133/ofr75135}, url = {https://pubs.usgs.gov/publication/ofr75135}, note = {Source identifier: ofr75135} }