Rangers in Yellowstone

Caught the last tour before winter closure last year, though I can't remember the Ambassadors on duty, it was quite a wonderful experience with Family members. Without any knowledge of any parks further eastern US, I would say Alaska was the next best thing.
First Name: 
Baltazar
Last Name: 
Cervantez
Zip Code: 
93003
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Park: 
Yellowstone National Park
State: 
California