Yazar
Don W Thomson
5 cilt bulundu.
Cilt sonuçları
Skyview Canada
Don W. Thomson · Energy, Mines and Resources Canada : available from Information Canada
270 sayfa · 1975
Aerial photography / History
A study of claiming and surveying procedures in relation to mineral (hardrock) properties in Canada
Don W. Thomson · Surveys and Mapping Branch, Dept. of Energy, Mines, and Resources
105 sayfa · 1971
Canada / Canadian Council on Cadastral Surveys / Mining claims / Mining law / National Advisory Committee on Control Surveys and Mapping (Canada)
L' homme et les méridiens
Don W. Thomson · Ministère des mines et des relevés techniques
Sayfa sayısı yok · 1966
Canada / Cartographie / Enquêtes / Géomètres / Histoire