Patagonian Desert albeit to the west, where precipitation is higher, bushes are replaced by grasses. Topographically the deserts consist of alternating tablelands and massifs dissected by river valleys and canyons. The more western parts of the steppe host lakes of glacial origin and grades into barren mountains or cold temperate forests along valleys. Inhabited by hunter-gatherers since Pre-Hispanic times, the desert faced migration in the 19th century of Mapuches, Chileans, Argentines, Welsh, and other European peoples, transforming it from a conflictive borderland zone to an integral part of Argentina, with cattle, sheep and horse husbandry being the primary land uses. The Patagonian
The Oregon Desert The Oregon Desert The Oregon Desert is a non-fiction book about the high desert region of eastern Oregon. It highlights both the people and natural history of Oregon's high desert country using serious science, first-hand narrative history, and humorous anecdotal stories. It was written by E. R. Jackman and R. A. Long. The book was first published in 1964 and has never been out of print since its initial release. Edwin Russell (E.R.) Jackman was an American agricultural expert from Oregon. He worked for Oregon State University as a rural extension agent and a farm crop specialist from 1929 until