![Ornithology / Birds of North America / Sandhill Crane / Monte Vista National Wildlife Refuge Ornithology / Birds of North America / Sandhill Crane / Monte Vista National Wildlife Refuge](https://www.pdfsearch.io/img/fb6fb50c971ba160cfe3836b3848b810.jpg) Date: 2014-04-23 16:41:49Ornithology Birds of North America Sandhill Crane Monte Vista National Wildlife Refuge | | Unmanned aircraft used for bird tally Federal wildlife researchers use former Army planes to count sandhill cranes. Posted: Friday, March 23, [removed]:00 am By MATT HILDNER | [removed] MONTE VISTA — A technologAdd to Reading ListSource URL: uas.usgs.govDownload Document from Source Website File Size: 246,26 KBShare Document on Facebook
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