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Continue to ChatVan Alderstien Gulch Map - Jefferson County, CO https://www.yellowmaps.com/usgs/topo.cfm?map=co-182584-van-alderstien-gulch
Van Alderstien Gulch Map - Jefferson County, CO https://www.yellowmaps.com/usgs/topo.cfm?map=co-182584-van-alderstien-gulch