Letter from Ed Hamilton to Carl Hayden outlining his opposition to Superintendent Tillotson's report on the road between Grand Canyon Village and Rowe's Well.

Letter from Ed Hamilton to Carl Hayden requesting maintenance for the road between Grand Canyon Village and Rowe's Well.

The study details the direct and indirect impacts of roads on natural resources, including direct mortality and loss of habitat, physical changes to the topography and hydrology of an area, impacts to habitat, noise, light and other types of pollution, and habitat fragmentation.