| Extent: | III.,S. 45-65 graph. Darst. 3 Beil. |
|---|---|
| Series: | Professional paper / US Department of the Interior, US Geological Survey. - Reston, Va. : US Geological Survey, ISSN 0096-0446, ZDB-ID 241217-2. |
| Type of publication: | Book / Working Paper |
| Language: | English |
| Source: | ECONIS - Online Catalogue of the ZBW |
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