TY - RPRT TI - Concentrations of N 2 , O 2 , CO 2 , and He in soil gases collected over and near the Dixie Valley Known Geothermal Resource Area, northern Dixie Valley, Nevada AU - Margaret Hinkle PY - 1995 DO - 10.3133/ofr9580 UR - https://pubs.usgs.gov/publication/ofr9580 ID - ofr9580 ER -