TY - RPRT TI - Fracture history of the Divide Creek and Wolf Creek anticlines and its relation to Laramide basin-margin tectonism, southern Piceance Basin, northwestern Colorado AU - M. A. Grout AU - E.R. Verbeek PY - 1991 DO - 10.3133/ofr8810 UR - https://pubs.usgs.gov/publication/ofr8810 ID - ofr8810 ER -