TY - BOOK T1 - Cambrian(?), Middle Proterozoic, and Archean rocks penetrated in a borehole near Argenta, Beaverhead County, Montana, and some paleogeographic and structural implications / DA - 1996. CY - Washington, D.C. : AU - Pearson, Robert Carl, VL - B VL - 2121 CN - QE75 CN - QE75 PB - U.S. G.P.O., PP - Washington, D.C. : PY - 1996. ID - 175583 KW - Geology, Structural KW - Borings KW - Rocks TI - Cambrian(?), Middle Proterozoic, and Archean rocks penetrated in a borehole near Argenta, Beaverhead County, Montana, and some paleogeographic and structural implications / ER -