Cobbles
Rounded stones with diameters ranging from 3 to 10 inches. Cobbles are intermediate between Gravel and Boulders. (US Army Corps of Engineers, Low Cost Shore Protection: A Property Owner's Guide, 2004)
Rounded stones with diameters ranging from 3 to 10 inches. Cobbles are intermediate between Gravel and Boulders. (US Army Corps of Engineers, Low Cost Shore Protection: A Property Owner's Guide, 2004)