Page:Graphic methods for presenting facts (1914).djvu/237

 Fig. 178. Yield of Corn per Acre in the Eastern Part of the United States in 1900

Here the data have been recorded by counties rather than by States. This chart is an example of what any draftsman may do by hand shading. It would have been better to use the smaller numbers to represent the best rank, as was done in Fig. 177