Map showing condition and progress of astronomic location, primary triangulation, primary traverse and precise leveling for the year fiscal 1896-7
Wedi'i Gadw mewn:
| Fformat: | Map |
|---|---|
| Iaith: | Saesneg |
| Cyhoeddwyd: |
U. S. Geological Survey
|
| Tagiau: |
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
|
| Disgrifiad Corfforoll: | 1 mapa color. 45,00x72,00 cm, em folha de 52,00x81,50 cm |
|---|