If declarations of existing water rights are filed as permitted by Section 75-11-5, [72-12-5 NMSA 1978] they shall be prepared in triplicate on forms furnished by the state engineer and shall be accompanied by the proper filing fee (Article 6-1) [now 19.25.5.8 NMAC]. Declarations may also be accompanied by affidavits of persons having personal knowledge of the history of the works or by other evidence tending to substantiate the claims and by copies of well logs, if available. If such supporting documents are filed in the state engineer office, they will be filed together with the declaration.
N.M. Admin. Code § 19.27.1.8