TY - RPRT TI - Structural evolution of a Grand Canyon breccia pipe; the Ridenour copper-vanadium-uranium mine, Hualapai Indian Reservation, Coconino County, Arizona AU - Earl R. Verbeek AU - Marilyn A. Grout AU - B. S. Van Gosen PY - 1988 DO - 10.3133/ofr886 UR - https://pubs.usgs.gov/publication/ofr886 ID - ofr886 ER -