The court of private land claims, established in 1891,

The Court of Private Land Claims in the United States was created in order to guarantee and decide the land claims from the Treaty of Hidalgo, territories of New Mexico, Utah, Arizona, and even in Nevada, Wyoming, and Colorado. It was effective until 1904.

The Court of Private Land Claims, established in 1891, by the United States was created with the purpose to jude title and ownership of Spanish and Mexican land grants in territories ceded by Mexico to the US by the treaties of Guadalupe Hidalgo (1848).  

Explanation:

The Guadalupe Hidalgo was about specifically protect these grants tracts of land to individuals and to communities, thus in 1891 the Court of Private Land Claims was established to adjudicate the outstanding claims reviewed by the surveyors general, not yet approved by the Congress, and other claims presented to the court.  

But In 1904, the court finished its work; approximately 6% of the acreage claimed land surveys were approved.  

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