TY - RPRT TI - 40 Ar/ 39 Ar geochronology and geochemical reconnaissance of the Eocene Lowland Creek volcanic field, west-central Montana AU - F.O. Dudas AU - V.O. Ispolatov AU - S. S. Harlan AU - L.W. Snee PY - 2010 DO - 10.1086/651523 UR - https://pubs.usgs.gov/publication/70037118 ID - 70037118 ER -