TY - RPRT TI - Electrical character of collapse breccia pipes on the Coconino Plateau, northern Arizona AU - V. J. Flanigan AU - Pamela Mohr AU - C. L. Tippens AU - R. Michael Senterfit PY - 1986 DO - 10.3133/ofr86521 UR - https://pubs.usgs.gov/publication/ofr86521 ID - ofr86521 ER -