@misc{indiciae4aec03011792, title = {Splint coals of the Central Appalachians: Petrographic and geochemical facies of the Peach Orchard No. 3 split coal bed, southern Magoffin County, Kentucky}, author = {James C. Hower and Leslie F. Ruppert}, year = {2011}, doi = {10.1016/j.coal.2010.12.012}, url = {https://pubs.usgs.gov/publication/70035980}, note = {Source identifier: 70035980} }