A view of Camp Creek, in eastern Oregon, developed due to overgrazing of the meadow. Since 1968, exclusion of livestock has led to a buildup of the streambed, which continues to date (photo 1989).

A stream in the Lower Chaco, Paraguay (1992). Houses on stilts help cope with frequent floods.

A U.S. Forest Service work crew constructing microretention watershed features in the Wasatch range, near Farmington, Utah (1933). No devastating floods have occurred in this area since its restoration.

Riacho Santo Domingos, in the sertão (backlands) of Pernambuco, northeastern Brazil (1993). Note makeshift fence across the stream.

Confluence of the Negro river with the Amazon river near Manaus, Brazil, showing the dark, humic waters of the Negro in the foreground, and the silty waters of the Amazon in the background (1988).

Spillway at Sheep Creek Barrier Dam, Western Utah (1989).

A dead poplar or alamo (Populus fremontii), relic of a vanished wetland, at Rancho Ojos Negros in the Ojos Negros valley, Baja California (1999).

A large human-induced gully near Tarija, Bolivia 1999).

Gullies in the Mixteca Alta, Oaxaca, Mexico (1999)

Outlet of Ojos Negros basin, Baja California, Mexico (1999).

On the Paraguay River at Caceres, Mato Grosso, Brazil, while on assignment for EDIBAP (Integrated Development Study of the Upper Paraguay River Basin), April 1979, with Dos Santos from DNOS and Miller (behind) from Hidrologia S.A.

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