TY - RPRT TI - Preliminary report on geophysics of the Verde River headwaters region, Arizona AU - Victoria E. Langenheim AU - J. S. Duval AU - Laurie Wirt AU - Ed DeWitt PY - 2000 DO - 10.3133/ofr00403 UR - https://pubs.usgs.gov/publication/ofr00403 ID - ofr00403 ER -