TY - RPRT TI - Rhizoconcretions in vitric ash-fall tuff, Nye County, Nevada AU - S. J. Luft PY - 1966 DO - 10.1130/0016-7606(1966)77[313:rivatn]2.0.co;2 UR - https://pubs.usgs.gov/publication/70221264 ID - 70221264 ER -