Which state is home to the road in northeastern Clark County which serves the oldest state park?
Valley of Fire State Park Valley of Fire State Park is a public recreation and nature preservation area covering nearly 46000 acre located 16 mi south of Overton, Nevada. The state park derives its name from red sandstone formations, the Aztec Sandstone, which formed from shifting sand dunes 150 million years ago. These features, which are the centerpiece of the park's attractions, often appear to be on fire when reflecting the sun's rays. It is Nevada's oldest state park, as commemorated with Nevada Historical Marker #150. It was designated as a National Natural Landmark in 1968.
Point Douglas–St. Louis River Road Bridge The Point Douglas–St. Louis River Road Bridge is the oldest known stone arch bridge in the state of Minnesota, built in 1863. It was constructed in Stillwater Township to carry the Point Douglas to Superior Military Road over Brown's Creek. The bridge was listed on the National Register of Historic Places in 1975 for having local significance in the themes of engineering and transportation. It was nominated as an example of stone engineering and as a remnant of Minnesota's early government roads.