Basic Encyclopedia

number (which consisted of an eight digit identifier), a brief description, longitude and latitude, elevation, and category (military, industrial, or an airfield).

[1][2] The title was changed to Basic Encyclopedia in the 1960s or 1970s before its publication ended in 1973.

The encyclopedia was computerized and used in the Defense Intelligence Agency's Automated Installation File.

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An example (with a fictitious target) of a Consolidated Target Intelligence File (CTIF) form with an example of a (fictitious) Bombing Encyclopedia target data (including the "B.E." number), from 1958.