The government's dietary recommendations are 200 IUs a day up to age 50, 400 IUs to age 70, and 600 IUs over 70. But many experts believe that these recommendations are far too low to maintain healthful vitamin D levels.
Crater Lake National Park. Crater Lake National Park is a United States National Park located in southern Oregon. Established in 1902, Crater Lake National Park is the fifth-oldest national park in the U.S. and the only national park in Oregon. The park encompasses the caldera of Crater Lake, a remnant of a destroyed volcano, Mount Mazama, and the surrounding hills and forests.
Welcome to Klamath County, Oregon, home to Crater Lake National Park, the Volcanic Legacy Scenic Byway, and Oregon's City of Sunshine, Klamath Falls. Klamath County is home to approximately 70,000 people, with about 21,000 of those people residing in the city limits of Klamath Falls.