@misc{indiciae5c3d468c3e70, title = {Tales from a distant swamp: Petrological and paleobotanical clues for the origin of the sand coal lithotype (Mississippian, Valley Fields, Virginia)}, author = {J.C. Hower and J.M.K. O’Keefe and C.F. Eble}, year = {2008}, doi = {10.1016/j.coal.2008.04.001}, url = {https://pubs.usgs.gov/publication/70032836}, note = {Source identifier: 70032836} }