11. Sand mining is economically important nationally and to the many involved people.12. The Albian Sands mine ( operated by Shell Canada ) opened in 2003. 13. Concerns about possible negative consequences of this sand mining have also been raised. 14. He received widespread public support and petitions against the sand mining were lodged. 15. Neyyar river has been severely affected by sand mining . 16. In 1970, environmental conservationists successfully fought to preserve Cooloola from sand mining . 17. The island has been the site for sand mining for more than sixty years. 18. The railroad currently extends to Monterey where it serves a large sand mining operation. 19. Sand mining near the pillars of this old bridge has created structural problems recently.20. Sand mining is a practice that is becoming an environmental issue in many countries.
