New Mexico v. Colorado

This is a suit in equity, within the original jurisdiction of this Court, brought by the State of New Mexico against the State of Colorado, in 1919, to settle a controversy as to the location of their common boundary line. Under the Acts of Congress under which they were admitted into the Union and their respective Constitutions, this is the 37th parallel of north latitude between its intersections with the 103rd and 109th meridians of longitudé west from Greenwich.

The only dispute is as to the location of this line. Different surveys have been made. New Mexico alleges in its bill that the…