State of Oklahoma v. State of Texas. United States, Intervener

This cause having been heard and submitted upon certain questions, and the Court having considered the same and announced its conclusions in an opinion delivered January 15, 1923, [260 U. S. 606]

It is ordered, adjudged, and decreed:

1. The boundary between the States of Oklahoma and Texas, where it'follows the course of the Red River from the 100th meridian of west longitude to the eastern boundary of the State of Oklahoma, is part of the international boundary established by the treaty of 1819 between the United States and Spain, and is on and along the south bank of that river as the same…