Pump Geyser photos

Pump Geyser.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13411  

Colorful bacteria mats mark the hot water flowing from Pump Geyser.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13412  

Pump Geyser.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 07232  

Pump Geyser.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 07233