TY - RPRT TI - Garnet peridotites from Williams kimberlites, north-central Montana, U.S.A AU - B.C. Hearn AU - E. S. McGee PY - 1983 DO - 10.3133/ofr83172 UR - https://pubs.usgs.gov/publication/ofr83172 ID - ofr83172 ER -