Identify each of the following features associated with geothermal activity F10PE.  
Identify each of the following features associated with geothermal activity F10PE.  A. These are openings in the crust through which gases and steam escape. They are often short-lived and are associated with lava flows, on the surface of which they are often produced. The most famous field of these is the Valley of Ten Thousand Smokes in Katmai National Park in Alaska.
Identify each of the following features associated with geothermal activity F10PE.  
Fumarole