1. Evaluation of the lead-alpha (Larsen) method for determining ages of igneous rocks Author/Creator: Gottfried, David, author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1959 Resource Type: Book Access & Availability: Loading
2. Evaluation of the lead-alpha (Larsen) method for determining ages of igneous rocks Author/Creator: Gottfried, David Publication/Creation: Washington [D.C.] : U.S. G.P.O., 1959 Resource Type: Book Is Part Of: This material may be contained within another physical item. Please check the parent record for details. Access & Availability: Loading