TY - MAP T1 - Preliminary geologic map of the Pilot Knob quadrangle, Mohave and Yavapai counties, Arizona DA - 1990. CY - [Denver, Colo.?] : AU - Ward, A. W. AU - Nealey, L. David. VL - 90-26 CN - I 19.76: PB - The Survey : PB - [Books and Open-File Reports Section, distributor], PP - [Denver, Colo.?] : PY - 1990. N1 - Relief shown by contours and spot heights. N1 - "Geology mapped by Ward and Nealey, 1985, and by Ward, 1989." N1 - Includes text, bibliographical references, 2 tables, location map and ancillary map. ID - 263332 KW - Geology KW - Geology TI - Preliminary geologic map of the Pilot Knob quadrangle, Mohave and Yavapai counties, Arizona ER -