Columbia subject headings:
Geology--New Mexico--Grant County.
Gila Conglomerate (Ariz. and N.M.)
Lake sediments--New Mexico--Grant County.
Volcanic ash, tuff, etc.--New Mexico--Grant County.
Harvard subject headings:
Geology--New Mexico--Grant County.
Gila Conglomerate (Ariz. and N.M.)
Lake sediments--New Mexico--Grant County.
Volcanic ash, tuff, etc.--New Mexico--Grant County.
Princeton subject headings: