Mr. Fred L. Disterdick, of the U. S. Weather Bureau at Des Moines, has observed surprisingly great differences in temperature between the smoke covered city and the nearby country.
©1931 by Iowa State Teachers College
"Smoke Makes City Warmer,"
Science Bulletin: Vol. 3:
5, Article 7.
Available at: https://scholarworks.uni.edu/science_bulletin/vol3/iss5/7