📁 GrandCanyonNationalPark
Grand Canyon National Park is located entirely in northern Arizona, encompassing 277 miles of the Colorado River and adjacent uplands. This spectacular example of erosion is unmatched in the incomparable vistas it offers from the rims, and it has been designated a World Heritage Site.
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条目 (12+)
Jobs in Grand Canyon National Park
http://www.coolworks.com/grand-canyon-national-park-jobs/
American Southwest - Grand Canyon National Park
http://www.americansouthwest.net/arizona/grand_canyon/national_park.html
Using Real-time Data for Public Outreach and Safety
http://www.geotimes.org/aug03/education.html
Arizona Research at The Records Room
http://www.daddezio.com/records/room/RR-AZ-NDX.html