TY - RPRT TI - The potential for breccia pipes in the National Tank Area, Hualapai Indian Reservation, Arizona AU - K. J. Wenrich AU - G. H. Billingsley AU - B. S. Van Gosen PY - 1986 DO - 10.3133/ofr86592a UR - https://pubs.usgs.gov/publication/ofr86592A ID - ofr86592A ER -