https://www.pbslearningmedia.org/resource/great-states-oregon-2.5/activity/
Students watch a video about the effect of an out-of-control crayfish population on the ecosystem. Students fill in a cause and effect graphic organizer...
crater lake nationaloregonactivitycrayfishpark
https://www.nps.gov/crla/planyourvisit/mayjune.htm
In May and June, lingering winter snow prevents access to much of Crater Lake National Park. Here are some suggestions for making the most of your visit during...
crater lake nationalpark uvisitingmayjune
https://www.nps.gov/crla/index.htm?ref=hyperallergic.com
Crater Lake inspires awe. Native Americans witnessed its formation 7,700 years ago, when a violent eruption triggered the collapse of a tall peak. Scientists...
crater lake nationalpark uservice