TY - RPRT TI - Preparation and use of isopleth maps of landslide deposits AU - Robert H. Wright AU - Russell H. Campbell AU - Tor H. Nilsen PY - 1974 DO - 10.1130/0091-7613(1974)2<483:pauoim>2.0.co;2 UR - https://pubs.usgs.gov/publication/70209866 ID - 70209866 ER -