Home > Iowa Academy of Science > Journals & Newsletters > Iowa Science Teachers Journal > Volume 15 > Number 2 (1978)
This is what the United States would look like if the size of the states was proportional to their value of farm production.
Iowa Science Teachers Journal
© Copyright 1978 by the Iowa Academy of Science
"Iowa in Perspective,"
Iowa Science Teachers Journal: Vol. 15:
2, Article 18.
Available at: https://scholarworks.uni.edu/istj/vol15/iss2/18
Original source: USDA Economic Research Service