@misc{indiciae3796bef443f2, title = {Availability of ground water in Breathitt, Floyd, Harlan, Knott, Letcher, Martin, Magoffin, Perry, and Pike Counties, Kentucky}, author = {William Evans Price and Chabot Kilburn and D. S. Mull}, year = {1962}, doi = {10.3133/ha36}, url = {https://pubs.usgs.gov/publication/ha36}, note = {Source identifier: ha36} }