TY-MAWR;TYDDYN MAWR COAL WORKINGS
Manylion y Safle
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NPRN 300520
Cyfeirnod Map SH47SE
Cyfeirnod Grid SH475735
Awdurdod Lleol Ynys Mon
Hen Sir Môn
Cymuned Llanfihangel Ysgeifiog
Math o Safle GWEITHFEYDD GLO
Dosbarth Cyffredinol DIWYDIANNOL
Cyfnod Ôl-Ganoloesol
Disgrifiad o´r Safle Tyddyn Mawr was once the site of rural coal workings; aerial photography has shown an area of spoil tips, quarries and possible tramroads on this site.
RCAHMW: May 2009.
