 American Cattle News. We're not rebuilding the herd yet, so what do we need to protect the existing herd? More after this. Here's farmer and landowner John Prue. We purchased the land about three years ago, and there was an old farmstead on there with trees. We were going to clear the land so we could farm through it. We thought we knew where the pipe was, so we didn't call to get it located. The work on our property led to the damage of a light crude pipeline.