published Jul 1977
by U.S. Department of the Interior
This study has been prepared and trail recommendations made to meet the requirements of Public Law 90-543. The 1969 El Camino Real Feasibility Study concluded that sufficient documentation of historic, scenic, natural, and cultural significance did exist to warrant further study. This study will present recommendations based on an evaluation of the field study findings.
published Sep 1966
A 1966 study headed by Stuart Udall on the feasibility of a National Trails System
