Find the Evidence
What are two things people do while visiting Yellowstone?
Hike, Look at the Geyser, swim in lakes and rivers, look for wildlife
What is a synonym for "observe"?
watch, study
Who led explorers to Yellowstone in 1871?
Ferdinand Hayden
What is a synonym for "maintain"?
take care of, keep up
Who took care of the park at the beginning?
Volunteers
What is a synonym for "develop"?
build, grow
Who helps maintain, or take care of , the national parks today?
Park Rangers
What is a synonym for "convince"?
persuade