This report was prepared to briefly highlight Arizona’s metallic mineral potential and current projects. It has been compiled from annual reports, websites, personal interviews, news articles, and other sources. It is acknowledged that there are additional activities and available properties not listed in this report.

Letter from the Director of the National Park Service, Stephen T. Mather, to Jesse L. Boyce informing him that immediate action is being taken to remove the TNT from the Grand Canyon.

Letter from Stephen Mather to Carl T. Hayden regarding automobile regulations within Grand Canyon National Park.

Letter from Stephen T. Mather to Carl T. Hayden advocating for a reduction in automobile fees for the South Rim entrance.

Letter from Stephen T. Mather to Carl T. Hayden regarding a negative newspaper article about the National Park Service and Stephen Mather.

Letter from Stephen T. Mather to Carl T. Hayden thanking Hayden for his advice about visiting Arizona.

Provides individuals and companies anticipating mineral exploration or mining in Arizona with a clear picture of the permitting process. This document is an honest attempt to present all the permits that may be required by a mining operator in Arizona.

This article studies the characteristics of modern Arizona mining scams or nontraditional mining projects and describes a number of examples. The purported mines or properties were located in Arizona, or the schemes had other substantial ties to the state.

This report, a companion to Open File Report 90-5, Publications of the department of Mines and Mineral Resources from 1939 to 1990, is a serial listing of the publications of the Department from September 1990 to December 2004.

Testimony for The Subcommittee on National Parks, Forests and Public Lands of the Committee on Natural Resources presented against the withdrawal of the uranium-bearing lands around the Grand Canyon National Park.