| By Andrew Fried, SAFE President  | May 4, 2014 You would think that a big push to develop a massive gravel mine would at least be backed up by one significant factor: The need for one. As we’ve written previously, the proposed 56-million-ton CEMEX mine, just outside the City of Santa Clarita, would cause significant and irreversible impacts on the wildlife corridors in and around the Santa Clara River, and is a threat to the health, safety and welfare of…