Tijuana River Valley Historical Ecology Investigation
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Tijuana River Valley Historical Ecology Investigation (Project)
The Tijuana River Valley Historical Ecology Investigation synthesized hundreds of historical maps, photographs, and texts to reconstruct the the ecological, hydrological, and geomorphic conditions of the valley prior to major European-American landscape modification.

Announcing SFEI's first binational study: The Tijuana River Valley Historical Ecology Investigation (News)
A new report shows how the Tijuana River Valley, which straddles the boundary between Southern California and northern Mexico, looked and functioned prior to the existence of the border wall, the city of Tijuana, and the state of California.

The Tijuana River Valley Historical Ecology Investigation—completed in January 2017—synthesized hundreds of historical maps, photographs, and texts to reconstruct the ecological, hydrological, and geomorphic conditions of the Tijuana River valley prior to major European-American landscape modification.