【實用書籍app】UFO Sightings Map|最夯免費app-綠色工廠好玩App

Interactive map presented at the NACIS Conference (nacis.org) in October 2010. This map allows you to explore reported UFO sightings in the US at different resolution levels since 2000. Data was compiled by Dr. Dooley and Dr. Muehlenhaus (UW-River Falls). App created by Muehlenhaus Map Design, St. Paul, MN, United States.