Fifty-first annual report of Director of Geological Survey to Secretary of Interior.
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| Format: | Government Document eBook |
| Language: | English |
| Published: |
[Washington] :
GPO,
1929-1930.
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| Online Access: | Connect to the full text of this electronic document |
| Item Description: | Also includes detailed data on mineral, oil, and gas operations on selected Indian lands. Annual report on activities and finances of Geological Survey. Reports include summaries of State field investigations and Geological Survey branch operations, and lists of publications. Electronic resource. |
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| Physical Description: | 1 online resource (ii+91+ovolumes pages) |