CCPortal

浏览/检索结果: 共2条,第1-2条 帮助

限定条件        
已选(0)清除 条数/页:   排序方式:
National Park Service socioeconomic monitoring pilot survey: Visitor spending analysis 科技报告
报告编号: 70204070, 页数: 116, 2019
作者:  Cullinane Thomas, Catherine ccullinanethomas@usgs.gov;  Cornachione, Egan;  Koontz, Lynne koontzl@usgs.gov;  Keyes, Christopher R.
Adobe PDF(2036Kb)  |  收藏  |  浏览/下载:57/18  |  提交时间:2019/11/06
2017 National Park visitor spending effects : Economic contributions to local communities, states, and the Nation 科技报告
报告编号: 70197532, , 2018
作者:  Cullinane Thomas, Catherine M. ccullinanethomas@usgs.gov;  Koontz, Lynne koontzl@usgs.gov;  Cornachione, Egan
Adobe PDF(2190Kb)  |  收藏  |  浏览/下载:23/7  |  提交时间:2019/11/06