![Hans Kristensen on Twitter: "Unclear what purpose is. Most likely simply a calibration flight updating normal sources data." / Twitter Hans Kristensen on Twitter: "Unclear what purpose is. Most likely simply a calibration flight updating normal sources data." / Twitter](https://pbs.twimg.com/media/FuO1xOBXoAAxOBU.jpg)
Hans Kristensen on Twitter: "Unclear what purpose is. Most likely simply a calibration flight updating normal sources data." / Twitter
USGS on Twitter: "Happy Establishment Day to Pipe Springs National Monument. (#OTD 5/31/1923) Geologic map of Pipe Spring National Monument and the western Kaibab-Paiute Indian Reservation, Mohave County, Arizona (2004) #FindYourPark #Arizona
![How to Convert 5500 Feet to Kilometers ๐ท๐๐๐๐๐ ๐๐๐๐๐ ๐ด๐๐๐๐ฆ๐ ๐๐ - YouTube How to Convert 5500 Feet to Kilometers ๐ท๐๐๐๐๐ ๐๐๐๐๐ ๐ด๐๐๐๐ฆ๐ ๐๐ - YouTube](https://i.ytimg.com/vi/UX4ngNge1dg/maxresdefault.jpg)