TY - BOOK ED - United States. TI - Snowmobiles and other off-road vehicles: hearing before Subcommittee on Parks and Recreation, 92d Congress, 1st session, on study of effects of rapidly expanding use of all terrain vehicles on public lands, May 21, 1971 PY - 1971/// CY - [Washington, D.C.] KW - Snowmobiles KW - Motor vehicles KW - Recreational use N1 - Distribution made by issuing office; CRDP Program Historic Shelflist record ER -