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DiscoveryNetworks has uploaded Using Animal Tracks to Find Water | Dual Survival. Using Animal Tracks to Find Water | Dual Survival by DiscoveryNetworks For full episodes of Dual Survival, visit http://www.youtube.com/discoveryfulleps Joe scopes out the terrain ahead in hopes of finding water. | For more Dual Survival, visit http://dsc.discovery.com/tv-shows/dual-survival#mkcpgn=ytdsc1 Subscribe to Discovery! | http://www.youtube.com/subscription_center?add_user=discoverynetworks You were sent this email because you chose to receive updates about new videos uploaded by DiscoveryNetworks. If you don't want these updates anymore, you can change your preferences by visiting the subscription manager. ©2013 YouTube, LLC 901 Cherry Ave, San Bruno, CA 94066