A report on national planning and public works in relation to natural resources and including land use and water resources with findings and recommendations. December 1, 1934. Submitted to the President in accordance with Executive order no. 6777, June 30, 1934.
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| 格式: | 圖書 |
| 語言: | 英语 |
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Washington
U.S. Government printing office
1934.
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