TY - SER ED - United States. TI - National Wilderness Preservation Act: hearings, 85th Congress, 1st session on S. 1176, June 19 and 20, 1957 PY - 1957/// CY - [Washington, D.C.] KW - Wilderness areas KW - Law and legislation KW - United States N1 - Distribution made by issuing office; CRDP Program Historic Shelflist record ER -