Now that the price of oil has dropped by 50 percent or more – down to $45 a barrel on Sept. 18 – frac sand production in Wisconsin also has dropped by 50 percent, according to a report on Wisconsin Public Radio.
Read MoreNow that the price of oil has dropped by 50 percent or more – down to $45 a barrel on Sept. 18 – frac sand production in Wisconsin also has dropped by 50 percent, according to a report on Wisconsin Public Radio.
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