TY - RPRT TI - Summary report on the stratigraphy and structure of the northern and western flanks of the Black Hills uplift: September, 1956 AU - Charles Sherwood Robinson AU - William Jameson Mapel AU - Maximilian Hilmar Bergendahl PY - 1956 DO - 10.3133/tem900 UR - https://pubs.usgs.gov/publication/tem900 ID - tem900 ER -