Summary

David Davis Heydenfeldt v. Daney Gold and Silver Mining Company…

There was no occasion of making provision for substituted lands, if the grant took effect absolutely on the admission of the State into the Union, and the title to the lands then vested in the State. Congress cannot be supposed to have intended a vain thing, and yet it is quite certain that the language of the qualification was intended to protect the State against a loss that might happen through the action of Congress in selling or disposing of the public domain.
Source: Wikisource

David Davis Heydenfeldt v. Daney Gold and Silver Mining Company…

In the mean time, further improvements would be arrested, and the persons, who prior to the surveys had occupied and improved the country, would lose their possessions and labor, in case it turned out that they had settled upon the specified sections. Congress was fully advised of the condition of Nevada, of the evils which such a measure would entail upon her, and of all antecedent legislation upon the subject of the public lands within her bounds. In the light of this information, and surrounded by these circumstances, Congress made the grant in question.
Source: Wikisource

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