1. De Soto Expedition Trail Commission Act of 1989 Author/Creator: United States. Congress. Senate. Committee on Energy and Natural Resources Publication/Creation: Washington : [s.n.], 1989 Resource Type: Book Access & Availability: Loading
2. De Soto National Trail Study Act of 1987 Author/Creator: United States. Congress. Senate. Committee on Energy and Natural Resources Publication/Creation: Washington : [s.n.], 1987 Resource Type: Book Access & Availability: Loading
3. Designating the California National Historic Trail and Pony Express National Historic Trail As Components of the National Trails System Author/Creator: United States. Congress. House. Committee on Interior and Insular Affairs Publication/Creation: Washington : [s.n.], 1991 Resource Type: Book Access & Availability: Loading
4. Designating the Nez Perce (Nee-Me-Poo) Trail As a Component of the National Trails System Author/Creator: United States. Congress. Senate. Committee on Energy and Natural Resources Publication/Creation: Washington : [s.n.], 1986 Resource Type: Book Access & Availability: Loading
5. Designation of George Rogers Clark Northwest Campaign Trail for Study for Potential Addition to the National Trails System Author/Creator: United States. Congress. House. Committee on Resources Publication/Creation: Washington : [s.n.], 2001 Resource Type: Book Access & Availability: Loading
6. Designation of the American Discovery Trail As a Study Trail Author/Creator: United States. Congress. Senate. Committee on Energy and Natural Resources Publication/Creation: Washington : [s.n.], 1992 Resource Type: Book Access & Availability: Loading
7. Designation of the General Crook Trail in Arizona and New Mexico for Study Author/Creator: United States. Congress. House. Committee on Energy and Natural Resources Publication/Creation: Washington : [s.n.], 1981 Resource Type: Book Access & Availability: Loading
8. Designation of the Old Spanish Trail for Inclusion in the National Trails System Author/Creator: United States. Congress. Senate. Committee on Energy and Natural Resources Publication/Creation: Washington : [s.n.], 1995 Resource Type: Book Access & Availability: Loading