Earth Sciences 15¢

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Canada Post Corporation {1973}. Reproduced with Permission

In 1973 Canada Post celebrated the meeting of the main organizations concerned with the exploration of the earth (The International Geological Congress, the International Geographical Congress, the Congress of the International Society of Photogrammetry, and the International Conference of the International Cartographic Association). This cool modern postage series marks this incredible event and represents the various disciplines in a graphic and descriptive manner that would make Edward Tufte proud.

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