“Face of Mars” map (1943)

Interpretive map of Mars showing canals and albedo markings.

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Source: McLoughlin E.V., Thompson H. 1943. The Book of Knowledge: The Children’s Encyclopedia. Volume 9. p. 3291-2

Note: This series was published from the 1910s to the 1964 in the USA. This page is from the 1943 edition.  This map appeared in several editions. Based on maps of P. Lowell.

“It is suggested that these waterways convey water from the great black patches, which may be huge shallow oceans or lakes, across the sandy red deserts of Mars; or that they bring down water when the sun’s heat in summer dissolves the snow”

 

(c) 1943 figures and text: The Grolier Society, New York.

 

faceonmars

In later editions more details were added. (via Pinterest)

 

 

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