"Geologic core samples show that extreme floods like the one in 1861 have happened in California about every 200 years, since the year 200 A.D. So the next disaster could be coming around the bend."
"Geologic core samples show that extreme floods like the one in 1861 have happened in California about every 200 years, since the year 200 A.D. So the next disaster could be coming around the bend."