bank gravel การใช้

• But Conyngham said the workers widened the stream far beyond its original channel and churned up bank gravel that will be deposited downstream.
• In 2012, after the publication of the survey by Stralsberg ( 2008 ), an Ulfberht sword was discovered in bank gravel of the Weser, in Gro遝nwieden, Hessisch Oldendorf, Lower Saxony.