Wash. Rev. Code § 65.04.033
Any person who has knowledge of the existence of any cemetery, abandoned cemetery, historical cemetery, or historic grave that has not been dedicated pursuant to RCW 68.24.010 through 68.24.040 may file for recording, in the county in which the cemetery or grave is located, a notice of abandoned cemetery document providing notice of the existence of the cemetery or grave. Such document shall contain the legal description of the property, the approximate location of the cemetery or grave within the property, the name of the owner or reputed owner of the property, and the assessor's tax parcel or account number. The auditor or recording officer shall index the document to the names of the property owner and the person executing the document.
RCW 65.04.033