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Cars approach the Nisqually entrance to Mount Rainier National Park Saturday morning, Jan. 7, 2012, near Ashford, Wash. The park opened for the first time since the shooting death of Ranger Margaret Anderson on Jan. 1. A memorial service for Anderson will be Tuesday, Jan. 10, in Tacoma, Wash. (AP Photo/Elaine Thompson)

Thousands attend service for Mt. Rainier ranger

Top federal officials, fellow park rangers and thousands of well-wishers have gathered in Washington state to celebrate the life of Margaret Anderson, a Mount Rainier National Park ranger who was fatally shot on New Year's Day.