Jackson County地形图
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Ashland
United States > Oregon > Jackson County
Ashland lies within Oregon's southwest interior climate zone, in which all but the higher-elevation sites are in the rain shadow of the Oregon Coast Range to the west. The largest urban areas in this zone in addition to Ashland are Medford and Grants Pass in the Rogue Valley, and Roseburg in the Umpqua River…
平均海拔：774 米
Siskiyou Gap
United States > Oregon > Jackson County
"The original pass crosses the divide between the Rogue and Klamath Rivers at a slight topographic notch formed by the geological contact between the older Siskiyou Mountains to the west and the younger volcanic Cascade Range to the east." (Jeffrey M. LaLande, retired, forest archaeologist, Rogue…
平均海拔：1,746 米
