Colorado Plateau

Earth Notes: Quieter Pavement

22 hours ago
ADOT

Excessive road noise is a scourge of modern life. Barrier walls along busy highways don’t always reduce the ruckus because sound waves can jump the walls—especially on windy days.


USFS

The Mormon Lake Guard Station was the first ranger station on the Coconino National Forest in northern Arizona. It was built in 1908 and saw a variety of uses through the 20th century, but had fallen into disrepair. Recently though, volunteers gave the historic structure a facelift.


Earth Notes: National Fossil Day

Sep 19, 2018
National Park Service

On Oct. 17 this year, the National Park Service and more than 300 partners are celebrating National Fossil Day.  This is the eighteenth year of the annual event, part of Earth Science Week.


Earth Notes: Skunks and Rabies

Sep 5, 2018
Courtesy Tad Theimer

In 2001, Flagstaff became the epicenter of a rabies outbreak among skunks and gray foxes. State health officials reported rabies undetected in wildlife in northern Arizona before that time.  Since then, additional rabies outbreaks have occurred in the Flagstaff area every few years.


Earth Notes: Spruce-Fir Decline

Aug 22, 2018

In the Colorado mountains, seedlings of spruce and fir trees spring up in years with snowy winters and cool, wet summers. But those conditions have grown rarer in the last few decades. 

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