A rancher overgrazes his land in an area underlain by heavy clay soils and regolith developed from weathering of claystone. After a series of heavy rains small creeks develop deep gullies along their length. A light steady rain develops and continues for several days. What should the rancher be concerned about on his overgrazed lands?

A) slumps along the creeks
B) increasing gully development because of the rain
C) rock avalanche
D) lahars filling cascading down his creeks, wiping out his cattle


Answer: A) slumps along the creeks

Environmental & Atmospheric Sciences

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