Boek
| Titel | First and second order triagulation in Oregon : (1927 datum. : U.S. department of commerce : coast and geodetic survey : special publication no.175) / C.H. Swick |
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| Objectnaam | boek |
| Objectnummer | 00232839 |
Vervaardiging
| Maker | Swick, C.H. |
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| Datering | 1932 |