TY - GEN AU - Billingsley, George H. CN - I 19.76: CY - [Menlo Park, Calif.] : DA - 1990. ID - 241147 KW - Geology N1 - Distributed to some depository libraries in microfiche. N1 - Relief shown by contours and spot heights. N1 - "Contour interval 40 feet" N1 - "Geology mapped 1989-1990" N1 - Blue line print. N1 - Includes text, 2 location maps, and ancillary map. PB - U.S. Geological Survey, PP - [Menlo Park, Calif.] : PY - 1990. T1 - Geologic map of the Wolf Hole Mountain East quadrangle, northern Mohave County, Arizona / TI - Geologic map of the Wolf Hole Mountain East quadrangle, northern Mohave County, Arizona / VL - 90-644 ER -