TY - RPRT TI - Stratigraphic and sedimentologic studies of late Paleozoic strata in the Eagle Basin and northern Aspen Sub-basin, Northwest Colorado AU - S. Y. Johnson PY - 1987 DO - 10.3133/ofr87286 UR - https://pubs.usgs.gov/publication/ofr87286 ID - ofr87286 ER -