A photo of a lighthouse.
By Geology and Ecology of National Parks
June 1990 (approx.)
Detailed Description
The Point Reyes Lighthouse, about 300 feet above sea level, is built on the Point Reyes Conglomerate of Galloway (1977) of Eocene Age. Humans for scale. The historic lighthouse building is now a museum.
Sources/Usage
A photo of a lighthouse.