This image was downloaded from the United States Geological Survey (USGS) website at http://online.wr.usgs.gov/outreach/historicPhotos/enlarged/jungo_nevada.html. The image was captioned: "1931-Mapping the no Еще
This is a map published by the USGS in 1946 that captured the work of Nevin M. Fenneman who chaired a committee of the American Association of Geographers that was tasked with preparing a map of suitable phys Еще
A one-story lava stone building is surrounded by a walkway, stone retaining wall, and dry shrub vegetation. Crater Rim Historic District. The open ohi'a lehua and dry shrub vegetation at Uwekahuna Bluff help e Еще
Back to the Future Day — In #BackToTheFuture, Marty McFly saw an unmanned drone walk a dog (clearly, we're not there yet). However, did you know that the USGS uses Unmanned Aircraft Systems (UAS) for remote se Еще