More than one Land Grant - one from the 1750's and another from the 1830's and adjacent land. It was OK because this area of New Mexico was "No Man's Land". Too far away from the Rio Grande Valley and Civilization around Albuquerque (founded 1706) and Santa Fe. This was Comanche and Apache raiding territory. My family tried living out here in the late 1600's but were run out. Came back in 1750 and made a stand, despite constant Native Raids.
You can see why I have a stiff backbone regarding packing up and moving. Too much family blood shed on this land, plus all the hard work, good times, bad times - Life.
Pics of family grave markers from the late 18th Century and ruins of the stone house (fort) from 1750:
https://i.imgur.com/6ds7SHch.jpg
https://i.imgur.com/vsWLYGsh.jpg
https://i.imgur.com/7Kt0sk9h.jpg