R. Roy Johnson – författare
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1 produkter
Requiem for the Santa Cruz
An Environmental History of an Arizona River
Av Robert H. Webb, Julio L. Betancourt m. fl.
Inbunden, 2014
900 kr
Tillfälligt slut
In prehistoric times, the Santa Cruz River in what is now southern Arizona saw many ebbs, flows, and floods. It flowed on the surface, meandered across the floodplain, and occasionally carved deep channels or arroyos into valley fill. Groundwater was never far from the surface, in places …
