nonessential mine
Defined in 1 dictionary — Case Law
Definitions from Case Law
From 357 U.S. 155 - United States v. Central Eureka Mining Co. · 1958Most cited · 533 citing opinions
any mining enterprise in which gold is produced, whether lode or placer, located in the United States, its territories or possessions, unless the operator of such mining enterprise is the holder of a serial number for such enterprise which has been issued under Preference Rating Order P—56.