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CIA terrain board collection.
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CIA terrain board collection.

Cuba, plate 12

The collection consists of 34 groups of manuscript terrain maps of various regions of the world, prepared using Swiss "ridge and valley" techniques by the Central Intelligence Agency's terrain specialists. The base terrain maps (shaded relief and lowland tints) were drawn on boards created from two sheets of paper fused to an aluminum core. The boards are accompanied by 1 to 4 manuscript overlays showing reference line work, etc. The collection documents sophisticated manual terrain mapping techniques now generally replaced by computer generated terrain renderings using digital data. The majority of the maps were prepared using Lambert's conformal conic projection, while the remainder use the universal transverse Mercator projection.

Date
1958
Mapmaker / publisher
United States. Central Intelligence Agency
Place
Cuba
Archive
Library of Congress (via Wikimedia Commons)
Type
map
Original size
14,750 × 10,925 pixels

Public domain

Reason: a US government work (Central Intelligence Agency).

This status rests on the map's publication history, as researched by Wikimedia Commons. Check it before commercial use.

Read from: Commons licence category: PD CIA; no CC BY, CC BY-SA, GFDL or deletion tag on the file page.

Credit line

"CIA terrain board collection." (1958). United States. Central Intelligence Agency. Library of Congress, Geography and Map Division, via Wikimedia Commons. Public domain. https://commons.wikimedia.org/wiki/File:CIA_terrain_board_collection._LOC_2012586886-12.jpg

What public domain means here

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