Radiometric dating of ash partings in coal of the Eocene Puget Group, Washington: Implications for paleobotanical stages (Q59568734)
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Current Data About Radiometric dating of ash partings in coal of the Eocene Puget Group, Washington: Implications for paleobotanical stages
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(P1476) "Radiometric dating of ash partings in coal of the Eocene Puget Group, Washington: Implications for paleobotanical stages" (language: en)

(P2093) Donald L. Turner
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Virgil A. Frizzell
(P1545) 2

Don M. Triplehorn
(P1545) 3

Charles W. Naeser
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