A brief history of glacial activity in the Grand Teton National Park, with a warning concerning the dissipation of the remaining glaciers.

An info-packed slideshow that gives an outline of glacial activity in the Teton Range. The slideshow details the categories of geological features left behind by glaciers, and informs viewers where they can find examples of those features in the park.

Glacier National Park: The value of research on glaciers is discussed by a USGS research ecologist. Emphasis is placed on how the melting of glaciers affects ecosystems and serves as an indicator for climate change.