1. Age of tephra beds at the Ocean Point dinosaur locality, North Slope, Alaska, based on K-Ar and ⁴⁰Ar/³⁹Ar analyses Author/Creator: Conrad, James E., author Publication/Creation: Washington, D.C. : U.S. G.P.O., 1992 Resource Type: Book Access & Availability: Loading
2. Age of tephra beds at the Ocean Point dinosaur locality, North Slope, Alaska, based on K-Ar and ⁴⁰Ar/³⁹Ar analyses Author/Creator: Conrad, James E., author Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading