Yeomans Plows and Equiptment, details and pictures THE RED BOOK .The RED BOOK illustrates most of the range of subsoiling ploughs and other products produced by Yeomans Plow Co. for cultivating land, specifically to increase soil fertility, increase land productivity and eliminate soil erosion and land salinity.  The RED BOOK shown illustrates the products we … Continue reading 1. Red Book on Yeomans Plows