For a quarter of a century, environmental pioneers had urged the construction of vast irrigation systems to collect and distribute Western floodwaters. John Wesley Powell and WJ McGee noted that the arid lands thus reclaimed—one third of the total area of the United States—could be sold to farmers and ranchers, and the profits recycled for further reclamation. But Congress had responded with unenforceable public land laws, allowing a “water monopoly” to grow up in the West. This combination levied extortionate rates where supply was meager, and dried out established communities in order to
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