> Multivolume work
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GH-2:
Physical-political chart of the world
St. Louis, Mo.: USAF, 19XX-
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GH-3:
Temperature provinces and ocean currents chart of the world
St. Louis, Mo.: USAF, 19XX-
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GH-6:
Vegetation chart of the world
St. Louis, Mo.: USAF, 19XX-
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GH-4:
Precipitation chart of the world
St. Louis, Mo.: USAF, 19XX-