The round earth on flat paper. : Map projections used by cartographers / by Wellman Chamberlin, with drawings by Charles E. Riddiford. Map services of the National Geographic Society, by Gilbert Grosvenor. 107 illus. from photographs and drawings; 18 pages of maps from the National geographic magazine.
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| Language: | English |
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Washington,
[1947]
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| Physical Description: | 126 pages : illustrations, portraits, maps ; 26 cm |
| Format: | Book |