TY - RPRT TI - Rapid extension in an Eocene volcanic arc: Structure and paleogeography of an intra-arc half graben in central Idaho AU - S. U. Janecke AU - B.F. Hammond AU - L.W. Snee AU - J. W. Geissman PY - 1997 DO - 10.1130/0016-7606(1997)109<0253:reiaev>2.3.co;2 UR - https://pubs.usgs.gov/publication/70020015 ID - 70020015 ER -