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Title: Drawing of Iron Bearing Rocks
Type: Art
Date: 1894
Source: Josiah Spurr
Description: This drawing came from The Iron-Bearing Rocks of the Mesabi Range in Minnesota, a book that Spurr wrote in 1894.
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Title: Description of the Chemistry of Ore
Type: Book
Date: 1892
Source: Minnesota Historical Society
Description: This page from the Miner's Guide describes how metal appears when it is discovered in rock formations.
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Title: Description of the Smelting Process
Type: Book
Date: 1892
Source: Minnesota Historical Society
Description: This page from the Miner's Guide describes the processes that are used to extract metals from ores.
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Title: Formation of the Mesabi Range
Type: Book
Date: 1894
Source: Orson C. Gillett
Description: Mr. Gillett wrote this description of the geological processes that formed the Mesaba Iron Range.
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Title: Cross-section of Rocks With Ore
Type: Diagram
Date: 1892
Source: Horace V. Winchell
Description: This chart shows the layering that took place when the iron deposits were formed.
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Title: Map of the Iron Range
Type: Map
Date: 1927
Source: Josiah Spurr
Description: This map shows where the iron deposits lie on the Mesabi Range.
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