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SGMC polygons for unit COYXg;0, Granitic rocks of 1400- and 1700-m.y. age groups, undivided, or, in Taylor River region, rocks with characteristics of Xg but U-Th-Pb zircon ages of Yg
Polygons of the specified geologic unit are provided below as a zipped shapefile. Only a few, simple attributes are included here. Coordinates are geographic with horizontal datum WGS84.