Columbia subject headings:
Human ecology--Mexico--San Quintín Valley.
Indians of Mexico--Mexico--San Quintín Valley.
Public health--Mexico--San Quintín Valley.
San Quintín Valley (Mexico)--Economic conditions.
San Quintín Valley (Mexico)--Environmental conditions.
San Quintín Valley (Mexico)--Social conditions.
Harvard subject headings:
Human ecology--Mexico--San Quintín Valley.
Indians of Mexico--Mexico--San Quintín Valley.
Public health--Mexico--San Quintín Valley.
San Quintín Valley (Mexico)--Economic conditions.
San Quintín Valley (Mexico)--Environmental conditions.
San Quintín Valley (Mexico)--Social conditions.
Princeton subject headings:
Human ecology--Mexico--San Quintín Valley.
Indians of Mexico--Mexico--San Quintín Valley.
Public health--Mexico--San Quintín Valley.
San Quintín Valley (Mexico)--Economic conditions.
San Quintín Valley (Mexico)--Environmental conditions.
San Quintín Valley (Mexico)--Social conditions.