Editing Rio Arriba County, New Mexico (section)

==History==
The county was one of nine originally created for the [[Territory of New Mexico]] in 1852. Originally extending west to the California line, it included the site of present-day Las Vegas, Nevada.<ref name="Territory Of New Mexico. By Prof. H.D. Rogers & A. Keith Johnston">[http://www.davidrumsey.com/ David Rumsey Historical Map Collection]</ref> The [[county seat]] was initially sited at [[Chamita, New Mexico|San Pedro de Chamita]], and shortly afterwards at [[Los Luceros, New Mexico|Los Luceros]]. In 1860 the seat was moved to [[Alcalde, New Mexico|Plaza del Alcalde]]. Since 1880 [[Tierra Amarilla, New Mexico|Tierra Amarilla]] has been the county seat.<ref name="Twitchell" />

The [[Battle of Embudo Pass]] took place in the southern part of the county during the Mexican–American War in January 1847.