The myriad caves located throughout Grand Canyon have intrigued NPS resource managers for decades. Many have been explored by biologists and hydrologists, others excavated by archaeologists, and still … [Read more...]
Report Warns Not to Take “Grand” for Granted at the Canyon
From invasive plants to uranium mining, Grand Canyon National Park is under siege from a host of existential threats. Such is the conclusion of an 80-page report by the National Parks Conservation … [Read more...]