Key players in the debate about breaching the four lower Snake River dams so far are silent about two scenarios being circulated by the staff of U.S. Rep. Mike Simpson that address how grain could reach the Portland area if barges no longer called on the Lewiston-Clarkston Valley.

Simpson’s staff began sharing the scenarios after some were critical of Simpson’s $33 billion plan to help save salmon because it lacked details about what would replace barging between Lewiston and Portland.