Columbia subject headings:
Geology--New Mexico--Cornudas Mountains--Maps.
Geology--New Mexico--Otero County--Maps.
Maps.
Harvard subject headings:
Cornudas Mountains (N.M.)--Maps.
Geology--New Mexico--Cornudas Mountains--Maps.
Geology--New Mexico--Otero County--Maps.
Otero County (N.M.)--Maps.
Princeton subject headings: