Helicopter pilot Dan Leary prepares to pick up geochemists Cindy Werner and Christoph Kern at the upper Geyser Bight geothermal area, Umnak Island. 2015 Western Aleutians AVO-USGS, NSF Geoprisms and Deep Carbon Observatory collaboration. Free downloadable publication on Geyser Bight: http://www.dggs.alaska.gov/pubs/id/2480