This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Pedocalpedalfer bdy. Soil boundary separating pedocals from pedalfers own work modified from org MapofUSA svg original contribution org MapofUSAwithstatenames svg Paleorthid All rights released Check categories November en Pedalfer en USDAsoiltaxonomy en Pedocal Soil science maps Maps of the United States Agriculture