TY - RPRT TI - Coal mine bumps as related to geologic features in the northern part of the Sunnyside District, Carbon County, Utah AU - Frank W. Osterwald AU - C. Richard Dunrud AU - Donley S. Collins PY - 1993 DO - 10.3133/pp1514 UR - https://pubs.usgs.gov/publication/pp1514 ID - pp1514 ER -