Circular to accompany collections illustrating rock-weathering and soil formation which have been prepared by Department of Geology, U.S. National Museum.
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| Format: | Government Document eBook |
| Language: | English |
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[Place of publication not identified] :
U.S. Government Printing Office,
1928.
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| Online Access: | Connect to the full text of this electronic document |
| Item Description: | [On characteristics of rock and soil samples] Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1910-1932. Reuse except for individual research requires license from ProQuest, LLC. Electronic resource. |
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| Physical Description: | 1 online resource (2 pages) |
| Format: | System requirements: PDF reader software. |