TY - BOOK ID - 137200660 TI - The Paleozoic section in the vicinity of Three Forks, Montana AU - Peale, A. C. AU - Merrill, George P. AU - Geological Survey (U.S.) PY - 1893 PB - Washington [D.C.] : G.P.O., DB - UniCat KW - Geology KW - Geology, Stratigraphic KW - Petrology KW - Crystallography. KW - Mineralogy KW - From 230 to 570 million years ago KW - Montana. UR - https://www.unicat.be/uniCat?func=search&query=sysid:137200660 AB - ER -