• Grand Palace

    Great Basin

    National Park Nevada

There are park alerts in effect.
show Alerts »
  • Road Work at Great Basin National Park

    Beginning July 8, 2014 and continuing through the end of August there will be road work at Great Basin National Park on paved roads throughout the park. Delays of 10 minutes or less may occur. Updated 7/29/2014 More »

  • Astronomy Programs on Hold

    Astronomy programs are on hold while a safety review is completed for visitor and staff safety. Check back soon for an update when the programs will start again. More »

The Midden

The Midden is the resource management newsletter of Great Basin National Park. Both the current issue and back issues are available on this website.

Current Issue:

Summer 2014 (6.5MB)


Archived Issues
 
Packrat, or woodrat

Woodrat, also known as a packrat

NPS PHOTO

What is a midden?
A midden is a fancy name for a pile of trash, often left by pack rats.Pack rats leave middens near their nests, which may be continuously occupied for hundreds, or even thousands, of years. Each layer of trash contains twigs, seeds, animal bones and other material, which is cemented together by urine. Over time, the midden becomes a treasure trove of information for plant ecologists, climate change scientists and others who want to learn about past climatic conditions and vegetation patterns dating back as far as 25,000 years. Great Basin National Park contains numerous middens.

Did You Know?

Sagebrush

The Sagebrush, a very common resident of Great Basin National Park, is well adapted to the area. The Big Sagebrush root system can extend as much as 90 feet in circumference. This adaptation allows the plant to collect as much water as possible during infrequent rains.