If energy was delivered to your door like milk -- today, you would have had 19 half gallons of oil, 14 half gallons of natural gas, and 46 pounds of coal on your doorstep.
Iowa Science Teachers Journal
© Copyright 1977 by the Iowa Academy of Science
Iowa Science Teachers Journal: Vol. 14
, Article 7.
Available at: https://scholarworks.uni.edu/istj/vol14/iss1/7