American Geosciences Institute. (n.d). Environmental Risks of Mining. http://web.mit.edu/12.000/www/m2016/finalwebsite/problems/mining.html, (August 11, 2017).
American Geosciences Institute. (2017). What are Environmental Regulations on Mining Activities? American Geosciences Institute. N.p. https://www.americangeosciences.org/critical-issues/faq/what-are-regulations-mining-activities, (August 11, 2017).
Angold, P.G. (1997). “The Impact of a Road Upon Adjacent Heathland Vegetation—Effects On Plant Species Composition.” Journal of Applied Ecology 34, pp. 409–417.
Aral Sea’s Eastern Basin Is Dry for First Time in 600 Years. (October 2, 2014). Aral Sea’s Eastern Basin Is Dry for First Time in 600 Years. N.p. http://news.nationalgeographic.com/news/2014/10/141001-aral-sea-shrinking-drought-water-environment/#/84282.jpg ...