Leveling Survey at Yellowstone National Park

A volunteer and a US Geological Survey employee conduct a leveling survey north of Fountain Paint Pot.

Photograph of a leveling survey at Yellowstone National Park, Wyoming.

Photograph by David E. Wieprecht on September 1996

 

Volunteers and a US Geological Survey employee conduct a leveling survey in Hayden Valley.

Photograph of a leveling survey at Yellowstone National Park, Wyoming.

Photograph by David E. Wieprecht on September 1998