Large vegetated earthmound (macromound) in the Pantanal of Mato Grosso (1990).

Small vegetated earthmound (micromound) n the flooplain of the Rio Araguaia, Mato Grosso , Brazil (1990).

Vegetational topographic sequence in the plains of Mato Grosso: Gallery forests, grasslands, and cerrado (1990)

First filling of Balbina Dam, in the Amazon rainforest (1988).

Panoramic view of Camp Creek, eastern Oregon, developed due to overgrazing of the meadow (1989).

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