TY - RPRT TI - Biostratigraphic guide to Upper Devonian and Mississippian rocks along the Wasatch Front and Cordilleran hingeline, Utah AU - Charles A. Sandberg AU - Raymond Gutschick PY - 1978 DO - 10.3133/ofr78351 UR - https://pubs.usgs.gov/publication/ofr78351 ID - ofr78351 ER -