12859 — Charles F. Mercer canal boat above Lock 20

for the C&O Canal Nat’l Historical Park , Nat’l Park Service

3658 — Eagle I helicopter in Mather Gorge

for the US Park Police, Nat’l Park Service

8960 — Crossing the rapids below Great Falls

for Cabin John Fire and Rescue, Montgomery County, MD

5456 — Examining a young green snake at BioBlitz

for The Nature Conservancy

MD/DC and VA Chapters

8824 — Lock 19, C&O Canal

for the C&O Canal Trust

7451 — Attaching the second deck on the Charles F. Mercer

for the Friends of Historic Great Falls Tavern

S009-34 — Snail tracks in the sediment on a maple leaf, under water

for the Potomac Conservancy

S120-10 — Turkey vultures at Great Falls

for the Potomac Riverkeeper

PRO BONO WORK

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These are representative photos provided at no cost to federal, state, and local governments as well as to private non-profit organizations.