AP-OR--Logging Roads, 3rd Ld-Writethru,490 Group keeps up challenge to logging roads Eds: Updates with Justice Department saying it is reviewing decision. Links photo. With AP Photo. By JEFF BARNARD AP Environmental Writer Associated Press GRANTS PASS, Ore. — A conservation group said Wednesday it will keep pushing federal authorities to more closely regulate muddy logging roads, despite a U.S. Supreme Court ruling on Wednesday that sided with the timber industry on the issue. Activists believe the ruling left room to press the U.S. Environmental Protection Agency to regulate runoff from the roads through specific permits, rather than broad recommendations, said …