I’m adding this tweet to The Best Online Resources For Teaching The Difference Between Correlation & Causation:


Here’s what the plaque says:


Working on the theory that explosives could cause rainfall because many war battles had been followed by rain, the U.S. Department of Agriculture conducted experiments in rainmaking. During a West Texas drought in 1891 the agency brought the experiment to Midland, with some success. Desperate for rain, El Paso city leaders convinced the Department to come here and try the same procedure. On September 18, some 370 charges of dynamite and other explosives were fired from the heights of Mt. Franklin, but no rain resulted. Only a heavy dew was reported. Texas Sesquicentennial 1836 – 1986