FEI Papers & Research on Arena Construction:
http://inside.fei.org/system/files/Equestrian_Surfaces-A_Guide.pdf
http://inside.fei.org/system/files/Equine%20Surfaces%20White%20Paper.pdf
Articles by ELD for Local Publications:
1603 Horses and People_ELD_Top Tips Advertorial
1604 Horses and People – ELD Todd Cunningham What Lies Beneath
1605 Horses and People – Arena Surfaces ELD Todd Cunningham
Horses and People June 2016_Choosing the Best Arena Edging_ELD
Horses and People July 2016_Arena Maintenance Tips and Advice_ELD