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Continue to ChatBlackrock Gulch Map - Kootenai County, ID https://www.yellowmaps.com/usgs/topo.cfm?map=id-377817-blackrock-gulch
Blackrock Gulch Map - Kootenai County, ID https://www.yellowmaps.com/usgs/topo.cfm?map=id-377817-blackrock-gulch