Easement by necessity is a higher standard by which to imply an easement. The land is protected through a conservation easement. Land trusts also sell land to private buyers, usually with a strict conservation easement attached. In these cases, landowners are paid directly for the purchase of the conservation easement. The benefit of an equitable easement passes with the transfer of the dominant tenement. Some legal scholars classify structural encroachments as a type of easement. The rights of an easement holder vary substantially among jurisdictions. Establishments built within the 30-meter shoreline easement were also demolished. Parties generally grant an easement to another, or reserve an easement for themselves. These details are spelled out in the legal document that creates the conservation easement. Prescription may also be used to end an existing legal easement. An easement may be implied or express. The deal was completed in February 2017 after the final easement was granted. There also exists public easement over rivers. A court order is necessary to determine the existence of an easement by necessity.