A SPECIAL THANKS TO OUR KIND SPONSORS OF THE NORTH COAL
"Coal Mining Technologies." Tribal Energy and Environmental Information. Office of Indian
Energy and Economic Development, n.d. Web. 10 Feb. 2014.
Miller, G. Tyler. "Nonrenewable Energy Resources." Environmental Science: Working with the
"Coal Mining Technologies." Tribal Energy and Environmental Information. Office of Indian
Energy and Economic Development, n.d. Web. 10 Feb. 2014.
Miller, G. Tyler. "Nonrenewable Energy Resources." Environmental Science: Working with the
Earth. Pacific Groove, CA: Brooks/Cole, 2004. N. pag. Print.
Earth. Pacific Groove, CA: Brooks/Cole, 2004. N. pag. Print.
Energy and Economic Development, n.d. Web. 10 Feb. 2014.
Miller, G. Tyler. "Nonrenewable Energy Resources." Environmental Science: Working with the
"Coal Mining Technologies." Tribal Energy and Environmental Information. Office of Indian
Energy and Economic Development, n.d. Web. 10 Feb. 2014.
Miller, G. Tyler. "Nonrenewable Energy Resources." Environmental Science: Working with the
Earth. Pacific Groove, CA: Brooks/Cole, 2004. N. pag. Print.
Earth. Pacific Groove, CA: Brooks/Cole, 2004. N. pag. Print.