TY - RPRT TI - Preliminary report on the geology and deposits of monazite, thorite, and niobium-bearing rutile of the Mineral Hill district, Lemhi County, Idaho AU - Edward Peck Kaiser PY - 1956 DO - 10.3133/ofr5669 UR - https://pubs.usgs.gov/publication/ofr5669 ID - ofr5669 ER -