TY - BOOK ED - United States. TI - Nationwide system of trails: hearings, 90th Congress, 1st session, on S. 827, Mar. 15 and 16, 1967 PY - 1967/// CY - [Washington, D.C.] KW - Trails KW - Law and legislation KW - United States KW - Outdoor recreation N1 - Distribution made by issuing office; CRDP Program Historic Shelflist record ER -