Ross Ice Shelf in History

Sails for 250 nautical miles (460 km) along the edge of the low, flat-topped ice shelf they called the Victoria Barrier, later named "Ross Ice Shelf" in his honour

Encounters the Great Ice Barrier, later known as the Ross Ice Shelf, while exploring the Ross Sea

Crean accompanies Lieutenant Michael Barne on three sledging trips across the Ross Ice Shelf, then known as the "Great Ice Barrier" including the 12-man party led by Barne which set out on 30 October 1902 to lay depots in support of the main southern journey undertaken by Scott, Shackleton and Edward Wilson

Leaves with Scott and Shackleton on the southern sledging journey during the Discovery Expedition

With Shackleton and Wilson reaches a farthest south of about 82 degrees 17 minutes south before turning back

Helps lay depots for the southern journey.

Depot work supports the coming polar attempt.

Scott establishes One Ton Depot at about 79 degrees 29 minutes south.

The depot is placed north of the originally intended latitude.

Helps survive a dangerous sea-ice incident.

Day accompanies the Motor Party to operate and repair the motor sledges during their first sustained field use.

Lashly travels with the Motor Party, helping manage the experimental tractors and the supply loads intended for later parties.

Day's motor suffers a major mechanical failure and is abandoned on the Barrier.

The first motor tractor fails permanently on the Ross Ice Shelf.

Works on the expedition's motor sledges during the southern journey.

Works with motor sledges as mechanical failures mount.

Helps continue hauling after motor sledge failures.

The second motor sledge fails, forcing Lashly and his companions to continue by man-hauling.

Drives dog teams in support of Scott's southern journey.

Drives dog teams in support of the southern journey.

After motor failures, Hooper continues south with the party by manhauling supplies across the Ross Ice Shelf.

Manages ponies during the early southern journey.

Assists with expedition ponies during depot work.

Uses ponies to move supplies during the southern journey.

The dog parties transport supplies before returning north.

Travels south with responsibility for the expedition ponies.

Oates monitors the animals as conditions become increasingly difficult.

Oates travels south with the pony teams, taking responsibility for animal welfare as conditions become increasingly difficult.

Manages expedition ponies during the main march south.

Advises Scott on animal condition and transport limitations.

Motor party meets Scott's main party ahead of schedule.

Day is ordered back toward Cape Evans after the motor party has completed its supporting role.

Oates's transport group loses the weakened pony Jehu as the southward journey continues.

Leads a man-hauling party after the motor sledge failure.

A prolonged blizzard halts the southbound parties and consumes precious time and supplies.

Scott records worsening concern as the blizzard prevents travel and pony fodder runs short.

Lashly helps pull the scurvy-stricken Edward Evans toward Hut Point during the supporting party's return.

Lashly helps place the seriously weakened Edward Evans on a sledge when scurvy leaves him unable to continue walking.

Cares for Edward Evans after severe scurvy develops.

Lashly and Crean help bring their commander back alive.

Collapses with scurvy near One Ton Depot.

Stays with Edward Evans while Crean seeks help.

Walks alone to Hut Point to seek help for Evans.

Attempts to meet Scott's returning party with dog teams.

Oates's frostbitten feet worsen severely as the polar party struggles north across the Barrier.

Leaves Scott's tent during the return from the South Pole, sacrificing himself as the party struggles northward

Leaves the tent during a blizzard while critically ill.

Scott records Oates leaving the tent during a blizzard after weeks of worsening frostbite and exhaustion.

His sacrifice is intended to improve his companions' survival chances.

Leaves the tent and dies during the return journey.

Scott records serious frostbite in his right foot as the three survivors approach One Ton Depot.

Wilson reaches the final camp with Scott and Bowers approximately eleven miles short of One Ton Depot.

Bowers reaches the final camp with Scott and Wilson while a worsening blizzard prevents further progress.

Dies with Scott and Bowers in the final camp.

Dies with Scott and Wilson during the return journey.

Dies with Scott and Wilson in their final camp during the return from the South Pole

Dies with Wilson and Bowers near One Ton Depot.

Writes his final diary entry near One Ton Depot.

Scott writes his final diary entry while the surviving polar party remains trapped by a blizzard near One Ton Depot.

Scott, Wilson and Bowers die in their tent soon afterward.

Atkinson leads the search party south from Cape Evans to determine the fate of Scott's polar party.

Hooper hauls with the search party sent south from Cape Evans to investigate the disappearance of the Polar Party.

The searchers recover records and build a snow cairn over the tent.

Searchers find the tent containing Scott, Wilson and Bowers.

Atkinson's search party recovers diaries, letters and expedition records from the tent before building a cairn over the dead.

Joins the search party that finds the polar party's final tent.

Atkinson's search party finds the final camp containing Scott, Wilson and Bowers and recovers their records.

Hooper is among the search party that discovers the tent containing Scott, Wilson and Bowers.

Uses skis from the search party to mark the burial cairn.

Joins the search party that finds Scott's last camp.

Helps find the final camp of Scott's party.