科技报告详细信息
| 2018 National Park visitor spending effects: Economic contributions to local communities, states, and the nation | |
| Cullinane Thomas, Catherine ; Koontz, Lynne ; Cornachione, Egan | |
| National Park Service | |
| RP-ID : 2019/1922 | |
| 学科分类:地球科学(综合) | |
| 美国|英语 | |
| 来源: USGS Publications Warehouse | |
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