By Chris Hubbuch, Madison.com; December 17, 2018
In 2016, the startup frac sand producer Smart Sand began construction on a state-of-the-art rail yard along the Union Pacific line in Monroe County, claiming it is the largest private industrial rail loop in the state.
The company already had a rail loading facility a few miles away at its Oakdale mine, but according to an application to fill almost 2.5 acres of wetlands at the site, it needed access to Union Pacific, the sand industry’s line of choice because of its direct connection to the booming oil fields in Texas.
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