TY - RPRT TI - Soil gas studies around hydrogen-rich natural gas wells in northern Kansas AU - J. H. McCarthy AU - K.I. Cunningham AU - A.A. Roberts AU - J.A. Dietrich PY - 1986 DO - 10.3133/ofr86461 UR - https://pubs.usgs.gov/publication/ofr86461 ID - ofr86461 ER -