...the past under the so-called "prudent man" test. It required the mineral deposit to be one on which "a person of ordinary prudence would be justified...reasonable prospect of success, in developing a valuable miner." 27/ The Interior Department has chosen, however, a more precise and demanding meaning of "valuable...

...mineral deposit discovered under the permit is of such a character and quantity that a prudent person would be justified in the further expenditure of his...prospect of success in developing a valuable mine. The permittee must present sufficient evidence to show that there is a reasonable expectation that his...

...valuable mineral deposit was a discovery "of such a character that a person of ordinary prudence would ba justified in the further expenditure of his labor...and means, with a reasonable prospect of success, in developi.-.n a valuable mine . . . ." Castle v. t:onblc, l9 LD 455, ,o7 . (l094l. In Chrj.smnn v. Hillcr....

...definition in Castle v. Womble?3 endorsed by the Supreme Court,24 held that . . . where minerals have been found and the evidence is of such a character...mine, the requirements of the statute have been met ... it may be said that the requirement relating to discovery refers to present facts and not to the...

...Mining Law of 1872 is valid. For many years, the courts used the "prudent man" rule requiring "evidence of such a character that a person of ordinary prudence...further expenditure of his labor and means, with a valuable mine. . ." But in United States v. Coleman (1968), the Supreme Court introduced the "marketability...

...mineral deposit discovered under the permit is of such a character and quantity that a prudent person would be justified in the further expenditure of his...prospect of success in developing a valuable mine. The permittee must present sufficient evidence to show that there is a reasonable expectation that his...

..."prudent-man test" in order to qualify as 'Valuable mineral deposits," the discovered deposits must be of such a character that "a person of ordinary prudence...prospect of success, in developing a valuable mine . . . ." This Court has approved the prudent-man formulation and interpretation on numerous occasions....

...substantially more data than is necessary to determine whether "a prudent person would be justified in further expenditure of his labor and means with a reasonable prospect of success's in developing a valuable mine". The fact that the applicant, knowing of the environmental...

...a prospecting permit is of such character and quantity that a prudent person would be justified in further expenditure of his labor and means with a...prospect of success in developing a valuable mine. A collective term for the sum of coal in both measured and indicated reserves. A procedure that considers...

...a character and quantity that •* 7™jde-.t person would be justified in the further expend' ture of his labor and means with a reasonable prospect of success in developing a valuable mine. The permittee must present sufficient evidence to show that there is a reasonable expectation that his...