FIGURE 5. YS57, Yaergou Quarry, 2 km east of Nan Zhuang Gou. Exposures nearly overgrown and cultivated; Wu Wenyu collecting matrix for washing. Kodachrome slide by L. Flynn 1988.
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FIGURE 5. YS57, Yaergou Quarry, 2 km east of Nan Zhuang Gou. Exposures nearly overgrown and cultivated; Wu Wenyu collecting matrix for washing. Kodachrome slide by L. Flynn 1988.
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