1934 Mt. Wilson Advance Sheet with the trail along Strayns Creek highlighted
alt="A section of the 1:24000 1934 Mt. Wilson Advance Sheet with the trail between the West Fork San Gabriel River and Mt. Wilson along Strayns Creek highlighted." border="0">
A section of the 1:24000 1934 Mt. Wilson Advance Sheet with the trail between the West Fork San Gabriel River and Mt. Wilson along Strayns Creek highlighted.