The Sloans Valley Member (Paragon Formation) of Kentucky:
by Don R. Chesnut
Butts, C., 1917 (1918), Descriptions and correlation of the Mississippian formations of western Kentucky.
Kentucky Geological Survey, Series 4, Geological Reports, 119 pp. [The
fauna from Sloans Valley, Kentucky is included in a llist of Glen Dean
Butts, C., 1922, The
Mississippian Series of eastern Kentucky. Kentucky
Geological Survey, Series Six, Volume Seven, 188 pages.
Chesnut, D.R. and Ettensohn, F.R., 1988, Hombergian (Chesterian) echinoderm paleontology and paleoecology, south-central Kentucky. Bulletins of American Paleontology, volume 95, number 330, 102 pp.
Greb, S.F. and Chesnut, D.R., 2009, Carboniferous geology and
biostratigraphy of the Appalachian and Black Warrior Basins.
Kentucky Geological Survey, Special Publication SP-10-12, 101