The Dust that makes red sunsets.
The volcanic eruption of Lassen Peak, Cal., on October 6, 1915, taken at intervals, the first three photos five minutes apart, the fourth, ten minutes later, showing the beginning of the second cloud.
Copyright by Chester Mullen. Courtesy of U. S. Weather Bureau.
"It's curious, though, boys," he said, "that Bert, here, should have been writing this article on sunsets, because it happens that I've got something here quite important to show you."
Walking to the table, he took a large home-made portfolio from under his arm and spread it out. He untied it, threw open the cover and stepped back to let the boys look. They crowded round.
"Oh—oh!" said one. "Isn't that bully!"