Air filter: Prevents harmful debris, dirt and contaminants from entering your engine. Cabin filter: An implementation that began appearing in vehicles in 2002, it prevents dust, pollen, dirt and other pollutants from entering your car through your A/C and heat vents.
North Point Recreation Area. Located on the shores of the Missouri River just above Fort Randall Dam, North Point Recreation Area provides a spectacular river view. Lewis and Clark came up the river in late-August, early-September in 1804. In this area, they saw their first prairie dogs, which they called barking squirrels..
North Cascades Act of 1968. The park is one of three units in the North Cascades National Park Service Complex which was established on October 2, 1968 by the signing of the North Cascades Act by Lyndon B. Johnson. This act is composed of: 1  North Cascades National Park, 684,242 acres.2  Ross Lake National Recreation Area, 117,574 acres.he North Cascades National Park lies in the northernmost region of the Cascade Mountains in Washington State, amid wild, forested, nearly impenetrable mountains remarkable because of their numerous glaciers, permanent snowfields, and sheer-walled cliffs, spires, and pinnacles.