You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place El Gavilán; Aldama; ca. 40 km NE of Aldama near Barra del Tordo, on short side road to the playa; near sea level Remove constraint Place: El Gavilán; Aldama; ca. 40 km NE of Aldama near Barra del Tordo, on short side road to the playa; near sea level Place Mexico Remove constraint Place: Mexico Place North America Remove constraint Place: North America Place Tamaulipas Remove constraint Place: Tamaulipas Topic Poales Remove constraint Topic: Poales Type still image Remove constraint Type: still image