Summary

Portrait of Stephen Johnson Field Stephen Johnson Field San Francisco v. Le Roy — Opinion of the Court

The duty of the government, and its power in the execution of its treaty obligations to protect the claims of all persons, natural and artificial, and of course of the city of San Francisco as successor to the pueblo, were superior to any subsequently acquired rights or claims of the state of California, or of individuals. The confirmation of the claim of the city necessarily took effect upon its title as it existed upon the acquisition of the country.
Source: Wikisource

Portrait of Stephen Johnson Field Stephen Johnson Field San Francisco v. Le Roy — Opinion of the Court

When the United States acquired California it was with the duty to protect all the rights and interests which were held by the pueblo of San Francisco under Mexico. The property rights of pueblos, equally with those of individuals, were entitled to protection, and provision was made by congress in its legislation for their investigation and confirmation.
Source: Wikisource

Portrait of Stephen Johnson Field Stephen Johnson Field San Francisco v. Le Roy — Opinion of the Court

When our forces took possession of San Francisco, citizens of the United States were appointed by the naval and military commanders to act in the place of the Mexican officers of the pueblo, and they exercised a like authority, which they supposed was invested in them, in making various grants of land in the city. Many persons then there, and many who subsequently settled in California, disputed such authority, and took up and occupied any land which they found vacant within the limits of the pueblo.
Source: Wikisource

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