Bob Wandel, 64, has been working to document Civil War soldiers’ graves in Oak Hill Cemetery. He’s found about 600 soldiers to date.

photo by: Kevin Anderson

Bob Wandel, 64, has been trying to document most of the Civil War soldiers' headstones at Oak Hill Cemetery. One of the headstones is almost engulfed by a large oak tree.

photo by: Kevin Anderson

Bob Wandel has been trying to document most of the Civil War soldiers' headstones at Oak Hill Cemetery. A section of burial plots indicate where some members of a unit called the Colored Infantry were put to rest.

photo by: Kevin Anderson

Bob Wandel, 64, has been trying to document most of the Civil War soldiers' headstones at Oak Hill Cemetery. He is a member of the Sons of Union Veterans.

photo by: Kevin Anderson

Bob Wandel, 64, has been trying to document most of the Civil War soldiers' headstones at Oak Hill Cemetery. He is a member of the Sons of Union Veterans.

photo by: Kevin Anderson

Bob Wandel, 64, shows how much the old headstones had sunk into the ground before they were restored. Wandel has been trying to document most of the Civil War soldiers' headstones at Oak Hill Cemetery. He is a member of the Sons of Union Veterans.