NPRNTeitlMath O SaflePerthynasNPRN408393TeitlYnyslas Rocket RangeMath O Saflen/aPerthynasPart ofNPRN506504TeitlMos Ee AA Ynyslas, Extended Bcf HutMath O Saflen/aPerthynasAssociated withNPRN408403TeitlMos Ee AA Ynyslas Observation PostMath O Saflen/aPerthynasConsists ofNPRN408392TeitlYnyslas Nature Reserve Rocket RangeMath O Saflen/aPerthynasPart of