..."discovery," ie, whether a person of ordinary prudence would have been justified in the further expenditure of labor and means with a reasonable prospect of success in developing a valuable oil shale mine. The Government's position in the contest proceedings is that the state of technology...

..."discovery," ie, whether a person of ordinary prudence would have been Justified in the further expenditure of labor and means with a reasonable prospect of success in developing a valuable oil shale mine. The Government's position in the contest proceedings is that the state of technology...

...test", first stated in Castle v. Womble,. 19 LD 455 (1894), is expressed as " . . .where minerals have been found and the evidence is of such a character...mine, the requirements of the statute have been met." 73 Preceding page blank 14. Footnote 8, supra at § 97. 15. 1 American Law of Mining §2.4 (1964) ....

...the establishment of a valid location. The discovery requirement is satisfied "where minerals have been found and the evidence is of such a character...reasonable prospect of success, in developing a valuable mine."9 In recent years, this prudent -man test of a discovery has been supplemented by a marketability...

...the establishment of a valid location. The discovery requirement is satisfied "where minerals have been found and the evidence is of such a character...reasonable prospect of success, in developing a valuable mine."9 In recent years , this prudent-man test of a discovery has been supplemented by a marketability...

...requisite to the validity of a mining claim. The discovery need not be of commercial ore but should be of such a character that a person of ordinary prudence...prospect of success, in developing a valuable mine. A complete "exploration" sequence, itself, can be broken down into a number of separate stages. Progression...

...early as 1894, the Department concluded that a discovery of a valuable mineral deposit was a discovery "of such a character that a person of ordinary prudence...prospect of success, in developing a valuable mine . . . . " Castle v. Womble, 19 LD 455, 457 (1894). In Christian v. Miller, 197 US 313 (1904) the Supreme...

...early as l89-1, the Department concluded that a discovery of a valuable mineral deposit was a discovery "of such a character that a person of ordinary prudence...prospect of success, in developing a valuable mine . . . ." Castle v. Womblc. l9 LD 45S~, io7 , {l094). In Chrj.smnn v. Miller, l97 US 3l3 (l905), the...

...location of a mining claim may be regarded as proven, where mineral is found and the evidence shows that a person of ordinary prudence would be justified...prospect of success in developing a valuable mine. The size of the vein, as far as disclosed, the quality and quantity of mineral it carries, its proximity...

...location of a mining claim may be regarded as proven, where mineral is found and the evidence shows that a person of ordinary prudence would be justified...prospect of success in developing a valuable mine. But what "evidence" must the "prudent man" consider in evaluating his find? In 1912 the Interior Department...