1. National Discovery Trails Act of 1997 Author/Creator: United States. Congress. Senate. Committee on Energy and Natural Resources Publication/Creation: Washington : [s.n.], 1998 Resource Type: Book Access & Availability: Loading
2. National Discovery Trails Act of 1999 Author/Creator: United States. Congress. Senate. Committee on Energy and Natural Resources Publication/Creation: Washington : [s.n.], 1999 Resource Type: Book Access & Availability: Loading
3. National Discovery Trails Act of 2001 Author/Creator: United States. Congress. Senate. Committee on Energy and Natural Resources Publication/Creation: Washington : [s.n.], 2001 Resource Type: Book Access & Availability: Loading