Gabriel Gerhard, maintenance mechanic for the U.S. Army Corps of Engineers Pittsburgh District, assists 4-year-old Lydia as she disembarks from the park ranger boat while 9-year-old Johnathan scouts the shoreline during 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)