Michael Glascock No description specified. 1-2 (2 Records) Documents Jemez Mountains Chronology Study (1994) Neutron Activation Analysis of Chadron Formation Cryptocrystalline Silicates From Flattop Butte, Northeastern Colorado, Nelson Butte / West Horse Creek, Southwestern South Dakota, and the Eckles Clovis Site In North Central Kansas (1990)