Ryan Smith, a park ranger for the U.S. Army Corps of Engineers Pittsburgh District at Loyalhanna Lake, traverses through a muddy area while picking up trash and debris for National Public Lands Day 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)