Horace Gray, Astiazaran v. Santa Rita Land Mining Company…
“ But congress reserved to itself the determination of such claims, and enacted that the surveyor general for the territory, under the instructions of the secretary of the interior, should ascertain the origin, nature, character, and extent of all such claims, and for this purpose might issue notices, summon witnesses, administer oaths, and do all other necessary acts, and should make a full report on such claims, with his decision as to the validity or invalidity of each under the laws, usages, and customs of the country before its cession to the United States ”
