article_snippet: On Monday, the Marin County Sheriff's Office named the deceased as 58-year-old Nancy Blum, from California.
article_snippet: After emergency personnel reached Blum and the Marin County Sheriff's Office hiking companion, the Marin County Sheriff's Office was flown to Bear Valley Ranger Station, where the Marin County Sheriff's Office was pronounced dead.
article_snippet: The National Park Service and the county coroner's office are investigating the cause of Blum's death.
article_snippet: the cause of Blum's death will be pending the completion of toxicology studies," the Marin County Sheriff's Office said in a statement.