Webster’s Revised Unabridged Dictionary · 1913
Keuper
Keu′per (koi′pẽr), n. [G.] (Geol.) The upper division of the European Triassic. See Chart of Geology.
Webster’s Revised Unabridged Dictionary · 1913
Keu′per (koi′pẽr), n. [G.] (Geol.) The upper division of the European Triassic. See Chart of Geology.