TY - RPRT TI - Geologic structure and altitude of the top of the Minnelusa Formation, northern Black Hills, South Dakota and Wyoming, and Bear Lodge Mountains, Wyoming AU - Kathy D. Peter AU - David P. Kyllonen AU - K. R. Mills PY - 1987 DO - 10.3133/wri854053 UR - https://pubs.usgs.gov/publication/wri854053 ID - wri854053 ER -