In 2016, the United States Court of Appeals for the Eleventh Circuit addressed, for the second time, whether the Army Corps of Engineers (Corps) acted arbitrarily when it issued Nationwide Permit 21 (NWP 21), which authorizes dredge and fill activities by surface mining operations and applies differing standards to grandfathered operations and new operations. The court held that the Corps did not, and it upheld the permit. Also, the Eleventh Circuit held that the National Park Service did not act improperly under the Wilderness Act when it reduced the number of acres it considered to be eligible for designation as wilderness in an Addition to the Big Cypress National Preserve in Florida. The United States District Court for the Southern Dis...