Concentrator mill at a mine on the Colorado River, California, ca.1900
收藏Mendeley Data2024-01-31 更新2024-06-27 收录
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资源简介：
Photograph of a concentrator mill at a mine (Dennings?) on the Colorado River, California, ca.1900. The outdoor wooden frame supports machinery and a conveyor belt below. A wooden box sits in the foreground at left. A barrel sits on the ground at right.
创建时间：
2024-01-31
