Tami Laird, 49, and her son Stirling, 9, left their Roseville home Friday afternoon to embark on a three-hour journey to Camp Wolfeboro, a children’s summer camp along the North Fork of the Stanislaus River, authorities said.

Two handwritten notes weighed down by rocks helped lead to the rescue of a mother and her 9-year-old son in California, who were stranded for more than 24 hours in the remote Sierra Nevada wilderness.

A mother and her 9-year-old son were found by a search and rescue team in the Sierra Nevada mountain range after leaving two handwritten SOS notes.