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Shock, outrage follow investigation of Grand Canyon chief
www.eenews.net
Oct 26, — said Martha Hahn of Flagstaff, Ariz., the former science and resource management division chief at Grand Canyon and a former director of the ... › Articles
Developer's plans for cable-car system inside Grand Canyon draw...
eu.azcentral.com
The proposed Grand Canyon Escalade, a $150 million gondola attraction, would ferry visitors down a cable-car system to an elevated walkway and snack bar where...
How do you solve a problem like the 'Beefalo'? - BBC News
www.bbc.com
A strange hybrid creature is causing havoc in the Grand Canyon, so what's to be done about The Beefalo?
Hahn to oversee research at Grand Canyon - USATODAY.com
usatoday30.usatoday.com
A leader of an environmental group has been named to a post overseeing scientific research at Grand Canyon National Park.
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