Soil survey of the middle Gila Valley area, Arizona /
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| Corporate Authors: | , |
| Other Authors: | , |
| Format: | Book |
| Language: | English |
| Published: |
Washington :
Government Printing Office,
1920.
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| Subjects: |
| Item Description: | "Advance sheets - Field Operations of the Bureau of Soils, 1917." At head of title: U.S. Department of Agriculture, Bureau of Soils. |
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| Physical Description: | 37 pages : illustrations, folded color map ; 23 cm. |