Beginning in the 1890s, adventurous souls-- homesteaders, prospectors, speculators, and loggers dazzled by its natural resources--tried their best to tame Idaho's Priest Lake. Yet grand turn-of-the-century Western expansion bypassed the area, sparing its idyllic beauty.

In 1897 President Cleveland expanded federal influence over the region and introduced an enduring tension between public and private lands. Still, industrial and recreational use increased. Timber and summer cottages were in high demand. Devastating wildfires also initiated profound change. Population growth accelerated...