In this Friday, June 28, 2013 photo, Jim Carlson drives an ATV through a field of soybeans after shutting off the water in his central pivot irrigator in Silver Creek, north of Osceola, Neb. The route of the proposed Keystone XL pipeline runs through this field. Carlson supports turning to county officials and zoning boards to approve resolutions formally opposing the pipeline, in hopes of a symbolic win to show the federal government that the project has local opposition. (AP Photo/Nati Harnik)LINCOLN, Neb. (AP) — Pissed off with state and federal officers, opponents of the Keystone XL pipeline are turning to low-degree county commissions and zoning boards in a new try to gradual a undertaking that has transform a focus of nationwide struggle over climate exchange.