FM 21-30: Conventional Signs, Military Symbols, and Abbreviations

FM 21-30 Conventional Signs, Military Symbols, and Abbreviations

FM 21-30

Conventional Signs, Military Symbols, and Abbreviations

Army · FM · Oct 1943 · 140 pages

About

On topo graphic maps, * * * symbols and abbreviations. * * * . * * b. General characteristics of roads and bridges. (1) Traffic lanes. 1, 2, 3, etc. * * * for light two-way traffic. 2 — Two-lane roadway having occasional one- lane -defiles, and suitable for moderate two-way traffic. Chart 21, page 52 : First symbol, change "Blue" to "Green." Symbols 14 to 19 are changed to the following : Single string of antitank mines -o-ooo- Booby-trapped antitank mine V Double antitank mine _ _ . Double booby-trapped antitank _ Antipersonnel mine Trip wire T Chart 21, page 53, delete the note, "To be reproduced in green (in black if green is not available)." Chart 21, page 54, first symbol : Submarine mines, controlled.

DesignationFM 21-30

EditionOct 1943

StatusSuperseded

Pages140

FunctionEngineering

CollectionHistoric

Public domain (U.S. Government work)

References 19

TM 11-462Not in the Vault
TM 5-230Not in the Vault
FM 30-22Not in the Vault
TM 5-226Not in the Vault
FM 21-35Not in the Vault