Rhif Archif
6061671
Disgrifiad
File of Cadw scheduled monument records for Penllegaer Observatory (GM410) , consisting of scheduling notices, accompanied by Field Monument Warden reports. Files stored in scheduled monument number order.
Cofnod Casglu
Cadw Scheduling Records
Cyfrwng
Cartographic, Text.
Cychwynnwr
CADW
Dyddiad
c. 1990
Arolwg / Survey