"Pipe arch" means a culvert that has rounded sides, a rounded top, and a flat bottom.
N.H. Admin. Code § Env-Wt 902.21
#9714, eff 5-12-10
"Pipe arch" means a culvert that has rounded sides, a rounded top, and a flat bottom.
N.H. Admin. Code § Env-Wt 902.21
#9714, eff 5-12-10