Columbia subject headings:
Land tenure--Environmental aspects--Mexico.
Land tenure--Social aspects--Mexico.
Mexico--Social conditions--21st century.
Public works--Environmental aspects--Mexico.
Public works--Social aspects--Mexico.
Social movements--Mexico.
Harvard subject headings:
Land tenure--Environmental aspects--Mexico.
Land tenure--Social aspects--Mexico.
Mexico--Social conditions--21st century.
Public works--Environmental aspects--Mexico.
Public works--Social aspects--Mexico.
Social movements--Mexico.
Princeton subject headings:
Environmental degradation--Social aspects--Mexico.
Environmentalism--Mexico.
Mexico--Social conditions--1970-
Public works--Environmental aspects--Mexico.
Public works--Social aspects--Mexico.
Social conflict--Mexico.