Tornado safety rules.
| Other author | United States. Weather Bureau. |
| Format | Book |
| Edition | Rev. Mar. 1957. |
| Publication Info | Washington, D.C. : U.S. Weather Bureau, 1957. |
| Description | 2 unnumbered pages ; 27 cm |
| Govt. docs number | C 30.6:T 63/2/957 |
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