With the passage of the Federal Endangered Species Act in 1973, the stage was set for a confrontation between urban development and the provisions of Federal Law. Language was amended to the Act that established standards that a plan would have to meet before the Fish and Wildlife Service could approve it and issue a permit for the take of a listed species. In those jurisdictions that have adopted this approach, conservation of natural resources is no longer an afterthought but a major element that has to be considered during the regular land use permitting process.

The purpose of the U.S. Highway 93 Corridor Area Plan is to recognize the unique character of the highway corridor and to encourage land use patterns that are consistent with the goals of the Mohave County General Plan, the residents and the property owners. The U.S. Highway 93 Corridor Area Plan, a component of the General Plan, covers approximately 430 square miles of unincorporated land in Mohave County.