In Rockies Express Pipeline LLC v. 4.895 Acres of Land, No. 12-3069 (Aug. 15, 2013), the condemnor was a gas pipeline company delegated the power of eminent domain under a federal certificate of public convenience and necessity, and the property owners were the owners of several coal mines.
They disagreed about the danger posed to a surface pipeline by coal mining. The pipeline company thought there wasn’t a problem, the coal companies thought otherwise. They believed that once the pipeline was operational, the agencies that regulated coal mining would either delay or deny the required coal extraction permits and ultimately drive them out of business, even though under Ohio law the coal companies had a right to subside the surface. So the coal companies accelerated their coal mining, and eventually sought to recover from the condemnor pipeline company the costs associated with doing so.
Applying Ohio law (condemnations under