Bridge Mountain and Red Rock Canyon National Conservation Area are both managed by who?
Red Rock Canyon National Conservation Area The Red Rock Canyon National Conservation Area in Nevada is an area managed by the Bureau of Land Management as part of its National Landscape Conservation System, and protected as a National Conservation Area. It is located about 15 mi west of Las Vegas, and is easily seen from the Las Vegas Strip. The area is visited by more than two million people each year.
Blackwater Natural Bridge Blackwater Natural Bridge is a natural arch in Shoshone National Forest, Wyoming. The arch is located along a ridge at an elevation of 10777 ft and is a little over .50 mi southwest of Coxcomb Mountain. Blackwater Natural Bridge is to the east of the headwaters of Blackwater Creek, which flows north to the North Fork Shoshone River. No official determination of the height or span of the arch has been completed and the estimated size of the arch varies greatly. The non-profit Natural Arch and Bridge Society states that the arch is anywhere from 70 to while other sources claim that it may be one of the largest in the world, with a span of 240 ft , a height of 280 ft and with rock thickness of the arch at 32 ft .