Nearly two months after a rupture at ExxonMobil’s Silvertip oil pipeline spilled at least 1,000 barrels of crude oil into the Yellowstone River, there is no end in sight to the cleanup efforts. The company recently said that the process has been more difficult than expected, and estimated that cleanup would continue for several months beyond the initial completion target of early September.

According to the EPA, more than 1,000 people are now involved in cleaning up the spill, an effort that will cost a reported $42.6 million. (The spilled oil itself was valued at $100,000).

Meanwhile, the state of Montana has given ExxonMobil the go-ahead to replace the broken