TY - RPRT TI - Topographic and structural conditions in areas of gravitational spreading of ridges in the Western United States AU - D. J. Varnes AU - D. H. Hall-Radbruch AU - W. Z. Savage PY - 1989 DO - 10.3133/pp1496 UR - https://pubs.usgs.gov/publication/pp1496 ID - pp1496 ER -