Resource Managers Are Using Visitor Impact Mapping at Oregon Caves National Monument
Oregon Caves National Monument celebrated its 99th birthday July 12. The park’s marble cave has suffered significant physical damage and secondary effects since its discovery in 1874. Resource managers are using a survey method called Visitor Impact Mapping to better understand where and how visitors have affected the condition of the cave.
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- By Bob Janiskee - July 12th, 2008 4:00am