Ryan Smith, a park ranger with the U.S. Army Corps of Engineers Pittsburgh District, distributes trash bags to volunteers during National Public Lands Day at Loyalhanna Lake in Saltsburg, Pennsylvania, Sept. 23, 2023. The Pittsburgh District celebrates National Public Lands Day each year by inviting the community to help clean up and complete improvement projects at its various reservoirs. (U.S. Army Corps of Engineers Pittsburgh District photo by Frank J. Strumila)