Public Land Order No. 7787; Withdrawal of Public and National Forest System Lands in the Grand Canyon Watershed; Arizona

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This order withdraws approximately 1,006,545 acres of public and National Forest System lands from location and entry under the Mining Law of 1872, 30 U.S.C. 22-54, subject to valid existing rights, for a period of 20 years in order to protect the Grand Canyon Watershed from adverse effects of locatable mineral exploration and development.