Preservation tech notes : masonry.
Wedi'i Gadw mewn:
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Dogfen y Llywodraeth Cylchgrawn |
| Iaith: | English |
| Cyhoeddwyd: |
Washington, D.C. :
National Park Service, Preservation Assistance Division.
|
| Pynciau: |
CARM 1 Store
| Rhif Galw: |
A3:AR22D0 F04334 |
|---|---|
| Copi 1 | Ar gael Gwneud Cais |