Skip to main content Skip to main content

Essential Lens: Analyzing Photographs Across the Curriculum

Earth, Climate, and Change: Observing Human Impact #3569


Date: August 2009
Location: Glacier National Park, Montana
Photographer: unknown
Source: U.S. National Park Service


Identifying alpine species during a vegetation survey on Pitamakan Peak in the Two Medicine region of the park for the Global Observation Research Initiative in Alpine Environments (GLORIA) project. GLORIA surveys are conducted in the same locations every four years to study changes in vegetation patterns on conical mountaintops all over the world. Photographs are used to verify that each plot is set up in the precise location of previous surveys.


Photos downloaded from the Essential Lens site are cleared for educational use only.

Series Directory

Essential Lens: Analyzing Photographs Across the Curriculum


Produced by Oregon Public Broadcasting. © 2015
  • Closed Captioning
  • ISBN: 1-57680-905-6