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Primera Etapa: Conservación Productivista de los Recursos Naturales ( 1917-1971 ) (jan 1, 1917 – jan 1, 1971)
Added to timeline:
Actividad A2. Línea del tiempo La gestión ambiental en México
By
Ivan Ordinola
3 months ago
0
0
2194
Date:
jan 1, 1917
jan 1, 1971
~ 54 years
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