Susquehanna River, just upstream of the Chesapeake Bay.

Some collected dead shells.

Banks of the Susquehanna River.

All live mussels were weighed, measured and photographed.

Diver Sean Reese working off "Ictiobus."

A view of Heinz Field, Pittsburgh.

Diver Sean Collins working off "Sara D."

A view of Pittsburgh from under Fort Pitt Bridge.

Matt Kinsey working off "Sara D."

Sean Collins, Jonny Hart and Matt Kinsey working on "Ictiobus."

"Ictiobus" Crew

Local wildlife.

"Sara D" Crew.