Rocky Mountains | PLACE

RCMP Cpl. Dan Moskaluk briefs the media on the current situation of an avalanche striking an informal snowmobile rally in Canada's Rocky Mountains, near Revelstoke, B.C., Sunday, March 14, 2010.

Search and Rescue workers prepare to head out to the area where an avalanche struck near Revelstoke, British Columbia, Canada, Sunday, March 14, 2010. An avalanche struck an informal snowmobile rally in Canada's Rocky Mountains, killing at least two people and leaving an unknown number missing at an annual gathering best known for its party atmosphere and stunt riding.

RCMP Cpl. Eric Stebenne prepares to head out to the area where a large avalanche struck near Revelstoke, British Columbia, Canada, Sunday, March 14, 2010. An avalanche struck an informal snowmobile rally in Canada's Rocky Mountains, killing at least two people and leaving an unknown number missing at an annual gathering best known for its party atmosphere and stunt riding.

Search and Rescue workers prepare to head out to the area where an avalanche struck near Revelstoke, British Columbia, Canada, Sunday, March 14, 2010. An avalanche struck an informal snowmobile rally in Canada's Rocky Mountains, killing at least two people and leaving an unknown number missing at an annual gathering best known for its party atmosphere and stunt riding.

Search and Rescue prepare to head out to the area where an avalanche struck Saturday near Revelstoke, British Columbia, Canada, Sunday, March 14, 2010. An avalanche struck an informal snowmobile rally in Canada's Rocky Mountains, killing at least two people and leaving an unknown number missing at an annual gathering best known for its party atmosphere and stunt riding.

RCMP Cpl. Richard Gingras and his avalanche dog Sultan prepare to head out to the area where a large avalanche struck near Revelstoke, British Columbia, Canada, Sunday, March 14, 2010. An avalanche struck an informal snowmobile rally in Canada's Rocky Mountains, killing at least two people and leaving an unknown number missing at an annual gathering best known for its party atmosphere and stunt riding.

A worker inspects a damaged snowmobile that was brought down from the scene of an avalanche near Revelstoke, British Columbia, Canada, Sunday, March 14, 2010. An avalanche struck an informal snowmobile rally in Canada's Rocky Mountains, killing at least two people and leaving an unknown number missing at an annual gathering best known for its party atmosphere and stunt riding.

Workers move a damaged snowmobile that was brought down from the scene of an avalanche near Revelstoke, British Columbia, Canada, Sunday, March 14, 2010. An avalanche struck an informal snowmobile rally in Canada's Rocky Mountains, killing at least two people and leaving an unknown number missing at an annual gathering best known for its party atmosphere and stunt riding.

A helicopter carries a damaged snowmobile down from the scene of an avalanche near Revelstoke, British Columbia, Sunday, March 14, 2010. The avalanche struck an informal snowmobile rally Saturday in Canada's Rocky Mountains, killing at least three people and leaving an unknown number missing. Rescuers resumed scouring remote Boulder Mountain at daybreak Sunday after halting the search overnight. Police also conducted a door-to-door search of hotel rooms early Sunday to piece together how many people were missing from the Big Iron Shoot Out rally.

A search and rescue helicopter heads toward the area where a large avalanche struck near Revelstoke, British Columbia, Sunday, March 14, 2010. The avalanche struck an informal snowmobile rally Saturday in Canada's Rocky Mountains, killing at least three people and leaving an unknown number missing. Rescuers resumed scouring remote Boulder Mountain at daybreak Sunday after halting the search overnight. Police also conducted a door-to-door search of hotel rooms early Sunday to piece together how many people were missing from the Big Iron Shoot Out rally.

A Royal Canadian Mounted Police vehcile drives towards the area where a large avalanche struck near Revelstoke, British Columbia, Sunday, March 14, 2010. The avalanche struck an informal snowmobile rally Saturday in Canada's Rocky Mountains, killing at least three people and leaving an unknown number missing. Rescuers resumed scouring remote Boulder Mountain at daybreak Sunday after halting the search overnight. Police also conducted a door-to-door search of hotel rooms early Sunday to piece together how many people were missing from the Big Iron Shoot Out rally.

A search and rescue helicopter heads toward the area where a large avalanche struck near Revelstoke, British Columbia, Sunday, March 14, 2010. The avalanche struck an informal snowmobile rally Saturday in Canada's Rocky Mountains, killing at least three people and leaving an unknown number missing. Rescuers resumed scouring remote Boulder Mountain at daybreak Sunday after halting the search overnight. Police also conducted a door-to-door search of hotel rooms early Sunday to piece together how many people were missing from the Big Iron Shoot Out rally.

A search and sescue worker and search dog prepare to head out to the area where a large avalanche struck near Revelstoke, British Columbia, Sunday, March 14, 2010. The avalanche struck an informal snowmobile rally Saturday in Canada's Rocky Mountains, killing at least three people and leaving an unknown number missing. Rescuers resumed scouring remote Boulder Mountain at daybreak Sunday after halting the search overnight. Police also conducted a door-to-door search of hotel rooms early Sunday to piece together how many people were missing from the Big Iron Shoot Out rally.

A search and rescue helicopter heads toward the area where a large avalanche struck near Revelstoke, British Columbia, Sunday, March 14, 2010. The avalanche struck an informal snowmobile rally Saturday in Canada's Rocky Mountains, killing at least three people and leaving an unknown number missing. Rescuers resumed scouring remote Boulder Mountain at daybreak Sunday after halting the search overnight. Police also conducted a door-to-door search of hotel rooms early Sunday to piece together how many people were missing from the Big Iron Shoot Out rally.

A Royal Canadian Mounted Police officer, right, and his dog prepare to board a helicopter on their way out to the area where a large avalanche struck near Revelstoke, British Columbia, Sunday, March 14, 2010. The avalanche struck an informal snowmobile rally Saturday in Canada's Rocky Mountains, killing at least three people and leaving an unknown number missing. Rescuers resumed scouring remote Boulder Mountain at daybreak Sunday after halting the search overnight. Police also conducted a door-to-door search of hotel rooms early Sunday to piece together how many people were missing from the Big Iron Shoot Out rally.

Search and Rescue workers prepare to head out to the area where a large avalanche struck near Revelstoke, British Columbia, Sunday, March 14, 2010. The avalanche struck an informal snowmobile rally Saturday in Canada's Rocky Mountains, killing at least three people and leaving an unknown number missing. Rescuers resumed scouring remote Boulder Mountain at daybreak Sunday after halting the search overnight. Police also conducted a door-to-door search of hotel rooms early Sunday to piece together how many people were missing from the Big Iron Shoot Out rally.

Royal Canadian Mounted Police direct traffic at the staging area for avalanche search & rescue operations near Revelstoke, B.C. on Saturday March 13, 2010. Rescuers were scouring Boulder Mountain in the Rocky Mountains near Revelstoke, B.C. into the darkness Saturday night after an avalanche struck a large gathering of snowmobilers, killing at least one person and leaving an unknown number missing. Up to 200 people were on the mountain at the time for the annual Big Iron Shoot Out.

Royal Canadian Mounted Police direct traffic at the staging area for avalanche search & rescue operations near Revelstoke, B.C. on Saturday March 13, 2010. Rescuers were scouring Boulder Mountain in the Rocky Mountains near Revelstoke, B.C. into the darkness Saturday night after an avalanche struck a large gathering of snowmobilers, killing at least one person and leaving an unknown number missing. Up to 200 people were on the mountain at the time for the annual Big Iron Shoot Out.

Royal Canadian Mounted Police direct traffic at the staging area for avalanche search & rescue operations near Revelstoke, B.C. on Saturday March 13, 2010. Rescuers were scouring Boulder Mountain in the Rocky Mountains near Revelstoke, B.C. into the darkness Saturday night after an avalanche struck a large gathering of snowmobilers, killing at least one person and leaving an unknown number missing. Up to 200 people were on the mountain at the time for the annual Big Iron Shoot Out.

Royal Canadian Mounted Police direct traffic at the staging area for avalanche search & rescue operations near Revelstoke, B.C. on Saturday March 13, 2010. Rescuers were scouring Boulder Mountain in the Rocky Mountains near Revelstoke, B.C. into the darkness Saturday night after an avalanche struck a large gathering of snowmobilers, killing at least one person and leaving an unknown number missing. Up to 200 people were on the mountain at the time for the annual Big Iron Shoot Out.