![](https://www.pdfsearch.io/img/328e43cf248e5d469fac0b49be71a1c1.jpg) Date: 2014-05-08 11:20:02
| | New elk survey takes flight Researchers will use aerial drones to measure Skagit herd’s size Posted: Monday, April 7, 2014 6:00 am | Updated: 4:45 pm, Thu Apr 10, 2014. By Kimberly Cauvel | 0 comments Unmanned aircraftAdd to Reading ListSource URL: uas.usgs.govDownload Document from Source Website File Size: 386,60 KBShare Document on Facebook
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