A mining company that operates a sand and gravel mine on Lower Grey Cloud Island in Cottage Grove wants to expand and shift operations into the Mississippi River – and mine the actual riverbed.

See the Doctor of Philosophy Requirements website for more information about PhD milestones and related timelines. MS, Mining Engineering: Thesis Option This option requires a research thesis prepared ...

Opinions expressed by Forbes Contributors are their own. Adam writes about state and local policy and urban economic issues. As shown in the map below, the annual real GDP growth rate in the third ...