Diana Azouggagh (left) and Richard Gonzalez, carefully clean out  dinosaur tracks on the upper trackway during the sixth day of work at Government Canyon State Natural Area on Thursday, Aug. 14, 2014.  MARVIN PFEIFFER/ mpfeiffer@express-news.net Photo: MARVIN PFEIFFER, Marvin Pfeiffer/ Express-News / Express-News 2014