US lawOregonRegulationsChapter 141 — Department of State LandsDivision 50 — OREGON NATURAL HERITAGE PROGRAM RULES141-050-0990OAR 141-050-0990OAR 141-050-0990. Boundary MarkersLast amended: 1982Length: 27 wordsOfficial source When feasible, boundaries of a Natural Heritage Conservation Area may be made clearly evident by placing markers at corners or other strategic locations or by boundary signs.PreviousOAR 141-050-0982NextOAR 141-050-0992