TY - BOOK T1 - ⁴⁰Ar/³⁹Ar age-spectrum data for the Davis Mountains, Trans-Pecos volcanic field, Texas DA - 1994] CY - [Reston, Va.?] : CY - [Denver, Colo. : AU - Kunk, Michael J. AU - Henry, Christopher D. AU - Cortesini, Henry. VL - 94-227 CN - I 19.76: PB - U.S. Dept. of the Interior, Geological Survey ; PB - Open-File Reports Section, distributor, PP - [Reston, Va.?] : PP - [Denver, Colo. : PY - 1994] N1 - Cover title. N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 95-0614-M. N1 - "May 1994." N1 - Chiefly tables. ID - 196688 KW - Argon-argon dating KW - Volcanism TI - ⁴⁰Ar/³⁹Ar age-spectrum data for the Davis Mountains, Trans-Pecos volcanic field, Texas ER -