Davis

Some sixty-four plaintiffs filed this action in the district court on behalf of themselves and others similarly situated, seeking to enjoin the State Director of the Bureau of Land Management, Department of the Interior, and the Manager and the Acting Manager of the District Land Office at Riverside, California, from prosecuting certain proceedings and from instituting other threat-1 ened proceedings contesting the validity of placer claims located by plaintiffs. The ease is on appeal from the Judgment of Dismissal entered by the district court granting a motion to dismiss filed by defendants and dismissing the action without prejudice. The jurisdiction of this court is invoked under Title 28 U.S.C. § 1291 .

The relevant facts digested from the Complaint, which must be accepted as true, show that plaintiffs and others are the locators and owners of more than three hundred placer mining claims in Kern County, California. The claims were located on the public lands of the United States which were open to location under the mining laws. All the requirements of the mining laws and regulations of the United States and of the State of California governing the location of placer claims,…