Huge Trees in California

This postcard says that it was made for Union Oil Company as part of their Natural Color Scenes of the West.

"Calaveras Big Trees 24 miles northeast of Angels Camp, California. The North Grove, on Highway 4, contains 158 Sequoias over 12 ft. in diameter. South Grove boasts 947 trees of equal girth. This area is famed for its early gold history."