1. USGS map (127kb)
"Details of the Yellowstone human influences within the park,
including roads, agriculture, residential areas, etc. that influence
the elk habitats."
2. Winter range map,
"The winter range of Northern elk herd located within the Greater
Yellowstone Ecosystem demonstrates the migration of the species."
3. Snowfall map (snowfall),
"The amount of snowfall within the park has an affect on the
elk migration during the late fall and winter seasons."
4. Snowmobile map (wintrmap.gif)
"Winter snowmobile trails in Yellowstone show the vast movement
in the park that has the potential for disturbing the elk species."
5. Winter activity map
"Winter activities take place in the Greater Yellowstone Ecosystem
that may have affects on the elk migration during the season."
6. Elk Herd Structure (123kb)