Nineteenth Annual Report of the United States Geological Survey to the Secretary of the Interior 1897 - 1898: Part III - Economic Geology
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| Description | scholarly article by Charles Doolittle Walcott published in January 1899 |
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author: Charles Doolittle Walcott |
| Publication date | 1899 |
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| Copyright status |
public domain in United States. |
| Missing/wrong data? | Edit Wikidata item |