TY - RPRT TI - Potential breccia pipes in the Mohawk Canyon area, Hualapai Indian Reservation, Arizona AU - K. J. Wenrich AU - G. H. Billingsley AU - B. S. Van Gosen PY - 1990 DO - 10.3133/ofr9015 UR - https://pubs.usgs.gov/publication/ofr9015 ID - ofr9015 ER -