The National Park Service will use a natural compound that is toxic to fish in an effort to remove non-native smallmouth bass and green sunfish from the Colorado River below the Glen Canyon Dam in Glen Canyon National Recreation Area.

After a week of storm-related closures, many of Big Bend National Park's popular dirt roads and a portion of the paved Ross Maxwell Scenic Drive have reopened, the park announced Friday. In addition, the popular Lost Mine Trail has now partially reopened. Some low lying areas along the Rio Grande remain closed at this time due to high water and heavy mud.

A number of new place names can be found across the National Park System in the wake of the Interior Department's scrubbing of "squaw" from geographic locations across federal lands.

A month-long comment period has opened for alternatives the National Park Service is considering as it works on an Air Tour Management Plan for Badlands National Park in South Dakota.