Northern Branch (1964)

Area:  In NEW MEXICO, Counties of Bernalillo, Catron, Cibola, Colfax, Curry, De Baca, Guadalupe, Harding, Los Alamos, McKinley, Mora, Quay, Rio Arriba, Roosevelt, San Juan, San Miguel, Sandoval, Santa Fe, Socorro, Taos, Torrance, Union and Valencia.