Boundary of the Pennsylvanian and Permian(?) in the subsurface Scurry reef, Scurry Country, Texas

Geahča maid

• Boundary of the Pennsylvanian and Permian(?) in the subsurface Scurry reef, Scurry Country, Texas.
  Dahkki: Heck, W.A
  Almmustuhtton: (1952)
• Boundary of the Pennsylvanian and Permian(?) in the subsurface Scurry reef, Scurry County, Texas.
  Dahkki: Henbest, L. G.
  Almmustuhtton: (1952)
• The Permian Reef Complex of the Guadalupe Mountains Region, Texas and New Mexico. A Study in Paleoecology.
  Dahkki: Newell, Norman Dennis
  Almmustuhtton: (1953)
• Upper Guadalupian Facies. Permian Reef Complex. Guadalupe Mountains, New Mexico and West Texas.
  Almmustuhtton: (1954)
• Correlation between surface and subsurface sections of the Ellenburger group of Texas.
  Dahkki: Hendricks, Leo
  Almmustuhtton: (1952)