A map of the United States showing the relative number of dairy cows per state in 2007.

  0–50,000 cows
  50,001–100,000 cows
  100,001–500,000 cows
  500,001+ cows
Data from [1].
Blank_US_Map.svg
Blank_US_Map.svg: User:Theshibboleth
derivative work: Ninjatacoshell (talk)