Columbia subject headings:
Indians of Mexico--Agriculture--Mexico--Oaxaca (State)
Irrigation farming--Mexico--Oaxaca (State)
Irrigation--Mexico--Oaxaca (State)
Mexico--Antiquities.
Monte Albán Site (Mexico)
Oaxaca (Mexico : State)--Antiquities.
Santa Cruz Xoxocotlán (Mexico)--Antiquities.
Harvard subject headings:
Indians of Mexico--Irrigation--Mexico--Oaxaca.
Monte Albán Site (Mexico)
Oaxaca (Mexico : State)--Antiquities.
Santa Cruz Xoxocotlán (Mexico)--Antiquities.
Princeton subject headings:
Indians of Mexico--Mexico--Oaxaca (State)--Irrigation.
Mexico--Antiquities.
Monte Albán Site (Mexico)
Oaxaca (Mexico : State)--Antiquities.
Santa Cruz Xoxocotlán (Mexico)--Antiquities.