TY - RPRT TI - Organic geochemistry of oils from Oil Spring and Florence oil field near Canon City, Colorado AU - P. G. Lillis AU - Michael P. Dolan AU - Augusta Warden AU - J. D. King PY - 1998 DO - 10.3133/ofr98617 UR - https://pubs.usgs.gov/publication/ofr98617 ID - ofr98617 ER -