TY - RPRT TI - Geochemical analyses of stream sediments of the Middle Mountain-Tobacco Root further planning area (RARE II), Madison County, Montana AU - J. Michael O’Neill AU - David F. Siems AU - Eric P. Welsch AU - Wendy S. Speckman PY - 1980 DO - 10.3133/ofr80720 UR - https://pubs.usgs.gov/publication/ofr80720 ID - ofr80720 ER -