1. Geologic and geochemical maps of the Linville Gorge Wilderness and proposed extensions, Burke and McDowell counties, North Carolina Yale Public content 1986. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Branch of Distribution. English. Public. North Carolina, Burke County, and McDowell County.