...early as 1894, the Department had expressed the view that a 'discovery exists [wjhere minerals have been found and the evidence is of such a character that a person of ordinary prudence would be juatified in the further expenditure of his labor and means, with the reasonable prospect of sue- ....

...person" test is a common way of expressing the idea; namely, a discovery exists "where minerals have been found and the evidence is of such a character...would be justified in the further expenditure of his labor and means, with a reasonable prospect of success, in developing a valuable mine." Cattle v. Wombla,...

...within the boundaries of the claim, and 2) that the quantity and quality of these minerals is of such character that a person of ordinary prudence would be justified in the further expenditure of labor and means with a reasonable prospect of success in developing a valuable mine.12/ The requirement...

...that it must then consider "evidence as to cost of extraction and transportation as bearing on whether a person of ordinary prudence would be justified in the further expenditure of his labor and means. But this does not mean that the locator must prove that he will in fact develop a...

...and as respects which discovery 'within the limits of the claim' has been made. The discovery must be of such a character that "a person of ordinary prudence...would be justified in the further expenditure of his labor and means, with a reasonable prospect of success, in developing a valuable mine.' A locator who...

...irost be for a lode claim discovery within rock in place of mineral having actual or potential value or of such a character that a person of ordinary prudence...would be justified in the further expenditure of his labor and means on the particular claim* with a reasonable prospect of success in developing a valuable...

...establishment of a valid claim. The discovery requirement is satisfied where locatable minerals have been found and the evidence is of such a character...prudence would be justified in the further expenditure of labor and means, with a reasonable prospect of success, in developing a valuable mine. In addition,...

...establishment of a valid claim. The discovery requirement is satisfied where locatable minerals have been found and the evidence is of such a character...prudence would be justified in the further expenditure of labor and means, with a reasonable prospect of success, in developing a valuable mine. In addition,...

...Department of the Interior established the "prudent man rule." The rule states: "... where minerals have been found and the evidence is of such a character...would be justified in the further expenditure of his labor and means, with a reasonable prospect of success in developing a valuable mine, the requirements...

...rule as to what constitutes a valid discovery has been stated as follows: "* * * where minerals have been found and the evidence is of such a character...would be justified in the further expenditure of his labor and means, with a reasonable prospect of success, in developing a valuable mine, the requirements...