TY - RPRT TI - Monitoring of thermal activity in the northern part of Yellowstone National Park and vicinity; Part 1, February 1985-June 1988 AU - Daniel R. Norton AU - Irving Friedman AU - Jana Mohrman AU - R. A. Hutchinson PY - 1989 DO - 10.3133/ofr89211 UR - https://pubs.usgs.gov/publication/ofr89211 ID - ofr89211 ER -