(TM 6-270.) [Prepared under direction of chief of engineers. 1940, on p. 198, is imprint date of original publication.]
Notes:
(TM 6-270.) [Prepared under direction of chief of engineers. 1940, on p. 198, is imprint date of original publication.] * For Sale by Superintendent of Documents. Paper, 30c.
Availability:
* For Sale by Superintendent of Documents. Paper, 30c.