Album: Madison River near West Yellowstone, MT - GRYN Water Quality Monitoring

Yellowstone National Park

Photographs from the Greater Yellowstone Network (GRYN)'s long-term monitoring location at the Madison River near West Yellowstone, MT (MDR) near Yellowstone National Park. Photographs are taken at the middle of the river from an upstream and downstream location at each sampling event. Sampling occurs monthly from early spring through late fall.