Mine Maps, Miscellaneous Tracts in Carroll County, VA owned by the Bertha Mineral Company , AL_MP300012, from New Jersey Zinc Company Historic Maps; topic area is 'Mine Maps'. The location is Wythe Co. (Precise). The image was scanned from a paper file as part of the USGS NGGDPP deliverable for 2018-2019. The author is New Jersey Zinc Company. The paper file was dated 19261101. Physical Storage: Room 2, Austinville Limestone Company, Newtown Church Road, Austinville, VA 24312. Digital Storage: \\NG00250050\DGMR\Collections\NEW_JERSEY_ZINC\MineMaps\AL_MP300012.pdf. Additional information: PDF tract map of the Bertha Mineral Company as of November 1, 1926. Includes tracts within Carroll County, Virginia at a scale of 1:800. Similar to [...]