19xx AZ-NM stateline 19xx Lupton (16) 19xx NM-AZ border 19xx NM-AZ state line (7) 19xx NM-AZ state line (8) 19xx NM-AZ state line (9) 19xx Stateline station 1930 roadworks between Gallup and stateborder 2021-06 yellowhorse trading post 2021-09 stateline AZ old postcard (42) 698 Cave of the 7 devils - Chief Yellowhorse