01333nam a2200337 a 4500 20260817161829.0 .b10058837 QE75 B9 no. 1990-C Conrad, James E. Age of tephra beds at the Ocean Point dinosaur locality, North Slope, Alaska, based on K-Ar and 40Ar/39Ar analyses / by ..., Edwin H. McKee and Brent D. Turrin Washington : U. S. Govt. Print. Off., 1992 C12 p. United States. Geological Survey. Bulletin ; no. 1990-C Evolution sedimentary basins - North Slope basin Volcanic ash, tuff, etc. Alaska Ocean Point Region Prince Creek Formation (Alaska) Potassium-argon dating Geology, Stratigraphic Devonian Geology, Stratigraphic Cretaceous Geology Alaska Ocean Point Region Turrin, Brent D. McKee, Edwin H. .b10058837 mngc u 150521 1 951012 m a u 0 mngc 14 Barcode : - CREATED : 1994-05-16 RECORD # : i10053360 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 2838 2838 0 0 0 0 MAIN MAIN mngc 2026-08-17 10.00 0 QE75 B9 no. 1990-C 2026-08-17 16:18:29 1 2026-08-17 14