§ 4-28-1 NMSA 1978

The boundaries of the county of Socorro are as follows: on the south, drawing a direct line to the eastward from the Muerto spring in the Jornada in the direction of La Laguna, and continuing until it terminates with the boundary of the territory; drawing a direct line toward the west from said Muerto spring, crossing the Rio del Norte, and continuing in the same direction until it terminates with the boundary of the territory, shall be the southern boundary, and the northern boundary is the southern extremity of the county of Valencia.