Product Manual

Recommended Reading:
USGA Recommendations for a Method of Putting Green Construction
http://www.usga.org/uploadedFiles/USGAHome/course_care/articles/construction/greens
/USGA_Recommendations_For_a_Method_of_Putting_Green_Construction.pdf
Soil Classification
Guide for Textural Classification of Soil
(U.S. Department of Agriculture Soil Conservation Service)