Summer Lake and Winter Ridge were both named in 1843 by Captain John C. Fremont, leader of a US Army Topographical Corps expedition whose ambitious goal was to explore and map the Great Basin lands of eastern Oregon, Nevada, and Utah.
On . . . — — Map (db m113808) HM
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The reports of this expedition directed the migration of the western settlement toward the Oregon Country which hitherto had been merely a rendezvous for trappers.
On December 16th 1843 the expedition, while enroute . . . — — Map (db m113809) HM
