Open-File Report 2006-1327 Digital data from the Leadville/Buena Vista aeromagnetic survey covering parts of Chaffee, Eagle, Lake, Park, And Summit Counties, Colorado By Viki Bankey and Goldak Airborne Surveys This report describes data collected from an aeromagnetic survey flown over an area of central Colorado that includes parts of Chaffee, Eagle, Lake, Park, and Summit Counties, including the towns of Leadville and Buena Vista and parts of the Mosquito Range, Gore Range, and Sawatch Mtns. These data were collected by Goldak Airborne Surveys on contract to the U.S. Geological Survey (USGS).