Geology of the International No. 4 mine and of the adjoining accessible parts of the No. 3 and No. 5 mines, Edwards Township, St. Lawrence County, New York
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Geology topics
A.E.J. Engel
Publications and source records attributed to A.E.J. Engel.
Isometric diagram of the International No. 4 mine, Edwards township, St. Lawrence County, New York
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New York talc deposits
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Quartz crystal deposits of western Arkansas
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