The clays of the United States east of the Mississippi River /
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| Main Author: | |
|---|---|
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington,
Government Printing Office,
1903.
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| Series: | Professional paper (Geological Survey (U.S.)) ;
no. 11. Series A--Economic geology ; 21. Series B--Descriptive geology ; 24. |
| Subjects: |