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| The Cutoff Plan: How a Bold Engineering Plan Broke with U.S. Army Corps of Engineers Policy and Saved the Mississippi Valley 专著 :Nova Science Publishers, Inc., 2016 作者: Damon M; ers 收藏  |  浏览/下载:4/0  |  提交时间:2020/03/25 |
| Railways and Industry in the Western Valley 专著 :Pen and Sword, 2016 作者: John Hodge 收藏  |  浏览/下载:2/0  |  提交时间:2020/03/25 |
| Spell of the Urubamba : Anthropogeographical Essays on an Andean Valley in Space and Time 专著 :Springer International Publishing, Springer, 2016 作者: Gade Daniel W 收藏  |  浏览/下载:15/0  |  提交时间:2020/03/25 Geography. Regional planning. Urban planning. Environmental geography. Anthropology. Cultural studies. Human geography. Geography. Landscape/Regional and Urban Planning. Environmental Geography. Human Geography. Cultural Studies. Anthropology. |
| Sustainable Development in the Jordan Valley : Final Report of the Regional NGO Master Plan 专著 :Springer International Publishing, Springer, 2016 作者: Kool Jeroen 收藏  |  浏览/下载:111/0  |  提交时间:2020/03/25 Environmental management. Cultural heritage. Tourism. Management. Nature conservation. Sustainable development. Development economics. Economics. Development Economics. Water Policy/Water Governance/Water Management. Sustainable Development. Nature Conservation. Cultural Heritage. Tourism Management. |
| The Tennessee Valley Authority: Privatization, Resource Planning and Financial Issues 专著 :Nova Science Publishers, Inc., 2014 作者: Kristen B. Duke 收藏  |  浏览/下载:2/0  |  提交时间:2020/03/25 |
| Birds of Kenyas Rift Valley 专著 :Princeton University Press, 2014 作者: Kennedy Adam Scott 收藏  |  浏览/下载:1/0  |  提交时间:2020/03/25 |
| This Hill, This Valley 专著 :Open Road Integrated Media, 2014 作者: Hal Borl 收藏  |  浏览/下载:1/0  |  提交时间:2020/03/25 |