Columbia subject headings:
Geology, Stratigraphic--Precambrian.
Geology--New Mexico--Picuris Mountains.
Mines and mineral resources--New Mexico--Picuris Mountains.
Petrology--New Mexico--Picuris Mountains.
Harvard subject headings:
Geology, Stratigraphic--Precambrian
Geology--New Mexico--Picuris Range.
Mines and mineral resources--New Mexico--Picuris Range.
Petrology--New Mexico--Picuris Range.
Princeton subject headings: