Foundation of a Pacific Western Oil Company oil well, 1931

Photograph of the foundation of a Pacific Western Oil Company oil well, March 8, 1931. The foundation is a "U"-shaped concrete structure with walls enclosing three sides. There are two square holes cut into the base. In the bottom left corner is a pile of lumber, and on the top of the wall on the right side of the image is a man. Two other men are doing work in the center of the image. There is a ridge in the background