YellowstoneNPS: An Evening At The Arch Poster
YellowstoneNPS: NPS Director Jonathan B. Jarvis starts the Centennial with an online interview
YellowstoneNPS: NPS Director Jonathan B. Jarvis at Mammoth Hot Springs
YellowstoneNPS: NPS Director Jonathan B. Jarvis at Mammoth Hot Springs
YellowstoneNPS: Signing up for the Wildlife Olympics in Mammoth Hot Springs
YellowstoneNPS: Signing up for the Wildlife Olympics in Mammoth Hot Springs
YellowstoneNPS: Branding keychains at the REI Village
YellowstoneNPS: Branded keychain from REI Village
YellowstoneNPS: The crew from Groundwork USA at the REI Village
YellowstoneNPS: Where to next? Exploring the REI Village
YellowstoneNPS: NPS Centennial Badge
YellowstoneNPS: Exploring parks at the REI Village
YellowstoneNPS: Exploring parks at the REI Village
YellowstoneNPS: USPS Centennial cancellation stamp
YellowstoneNPS: Postal employees issue the Centennial cancellation stamp at Mammoth Hot Springs
YellowstoneNPS: USPS Centennial cancellation stamp
YellowstoneNPS: A fire information officer takes questions about fires in Yellowstone
YellowstoneNPS: Providing information was a multi-agency effort
YellowstoneNPS: Rangers work to keep things running smoothly
YellowstoneNPS: USFS Employee handing out Centennial Tattoos
YellowstoneNPS: Crews from Groundwork USA helped with setup, takedown, and ushering
YellowstoneNPS: Groundwork USA crew member
YellowstoneNPS: Showing off the Centennial tattoo
YellowstoneNPS: Centennial Tattoos
YellowstoneNPS: Park ranger applies Centennial tattoo
YellowstoneNPS: Entering the venue
YellowstoneNPS: The first attendees enter the venue
YellowstoneNPS: Fun with props at An Evening at the Arch
YellowstoneNPS: Centennial tattoos were the uniform of the day
YellowstoneNPS: High five for our crews from Groundwork USA