Report needed to attract economic development. 11:46 am, Aug. 3, 2021 × WORTHINGTON — With plans to spur economic development along the shortline railroad in Rock and Nobles counties, the Buffalo Ridge Regional Rail Authority, composed of Rock and Nobles County boards of commissioners, was presented with a recently completed site analysis during a joint meeting Tuesday morning. The engineering firm ISG completed the analysis. Representatives from ISG, along with Dan Kippley of the Ellis & Eastern Railroad that operates the line, presented a report that shows four potential sites along the line could eventually be developed. Three of the sites are located west of Luverne in Rock County, with one site near Adrian in Nobles County.