Hydrothermal alteration and self-sealing in Y-7 and Y-8 drill holes in northern part of upper Geyser Basin, Yellowstone National Park, Wyoming [unknown]

Terry E.C. Keith, Donald Edward White, Melvin H. Beeson
1978 USGS professional paper   unpublished
doi:10.3133/pp1054a fatcat:nct66agbvjbhnjbicnur3c5beq