Pyramidlike stacks of corrugated pipe fill Johnston Fargo Culvert's 15-acre complex at 1522 40th St. N. in Fargo. Parked inside the company's 35,000-square-foot manufacturing plant are 200 rolls of ...
Curtis Brook runs through an old metal culvert under a dirt road at the Steep Rock Preserve in Washington. The culvert might date back to the 19th century heyday of the Shepaug Valley Railroad. The ...