[053-15]The Pilot Shale, the West Range Limestone, and the Devonian-Mississippian Boundary in Eastern Nevada
Langenheim, R.L., Jr. The Pilot Shale, the West Range Limestone, and the Devonian-Mississippian Boundary in Eastern Nevada 053-15-print
Langenheim, R.L., Jr. The Pilot Shale, the West Range Limestone, and the Devonian-Mississippian Boundary in Eastern Nevada 053-15-print