Andy Allen measuring distance from mark on tide staff to location on pier top. K. Fuhs is diver in water helping keep the tape vertical.

Highway 433 Bridge over the Columbia River at Longview

Blue crab, Callinectes sapidus, on a piling

A Maryland Blue Crab, Callinectes sapidus, seeking shelter under a rocky ledge.

Female blue crab (Callinectes sapidus) on the beach. Females can be distinguished by the right red tips on their claws.

Female blue crab (Callinectes sapidus) at water's edge. Females can be distinguished by the right red tips on their claws. Note impressions in sand made by crab when ambulating.

Female blue crab (Callinectes sapidus) on beach. Females can be distinguished by the right red tips on their claws. Note impressions in sand made by crab when ambulating.

A mature female blue crab (Callinectes sapidus), known colloquially as a "sook." Note the apron, shaped like the Capitol building, and the red-tipped claws.

A mature female blue crab (Callinectes sapidus), known colloquially as a "sook." Note the apron, shaped like the Capitol building, and the red-tipped claws.

An immature female blue crab (Callinectes sapidus). Sex and maturity determined by the "V"-shaped apron.

An immature female blue crab (Callinectes sapidus). Sex and maturity determined by the "V"-shaped apron.

Stump of a large tree still standing though roots exposed and outstretched. At the mouth of Dividing Creek on Wye Island. This gives an indication of the extent of erosion in this area.

Stump of a large tree still standing though roots exposed and outstretched. At the mouth of Dividing Creek on Wye Island. This gives an indication of the extent of erosion in this area.

Like most areas in Chesapeake Bay, Wye Island suffers from the scourge of erosion as waves beat against the shoreline.

Like most areas in Chesapeake Bay, Wye Island suffers from the scourge of erosion as waves beat against the shoreline.

Dead trees provide evidence of erosion problems on Wye Island.

A large tree has a tenacious, if tenuous, hold on an eroding bank along Solo Creek, Wye Island.

View of the Wye Island Natural Resources Area from the Wye River. Preserved from development, most of the island is still in agricultural use.

Rock revetment is used along one part of Wye Island to prevent further erosion.

Sun setting over the St. Mary's River after the 1999 Governor's Cup sailboat race.

Mt. Cleveland in the Four Mountain Islands

Mt. Carlyle in the Four Mountain Islands

Looking SW from Uliaga in the Four Mountain Islands.

Mt. Vsevidov from the west showing a great blowout in its side.

Herbert Island in the Four Mountains group of islands.

Mount Edgecombe and the Coast Guard Cutter TALAPOOSA

Kagamil Island from the south.

A fumarole at Kagamil Island.

Harding Glacier in Resurrection Bay to the west of Seward Bay

Many fumaroles on the beach at Kagamil Island

Mt. Vsevidov (The "All-Seeing") on Umnak Island

Mt. Cleveland, looking west from Applegate Cove.

Buzzards Bay - Falmouth

Chapaquoit Beach, West Falmouth

Buzzards Bay/Chapaquoit Beach, West Falmouth

Looking at Buzzards Bay from The Knob, Woods Hole

Woods Hole Yacht Club, Great Harbor at Woods Hole (National Marine Fisheries Service facility on right)

Woods Hole Yacht Club, Great Harbor at Woods Hole

Woods Hole Yacht Club, Great Harbor at Woods Hole

Quissett Harbor, Woods Hole, Falmouth

Quissett Harbor, Woods Hole, Falmouth

Quissett Harbor, Woods Hole, Falmouth

The Knob, Woods Hole

Buzzards Bay from Woods Hole

Woodneck Beach - Little Sippewissett Marsh, Falmouth

Buzzards Bay, Woods Hole

Great Harbor at Woods Hole

Woodneck Beach - Little Sippewissett Marsh, Falmouth

Chapaquoit Beach, West Falmouth

Woods Hole Yacht Club