
cryptolog | 57 page 14 | https://thedailydialectics.com/pdfs/FIOA/cryptolog_57/cryptolog_57.pdf
DOCID: 4009831 — UNCLASSIFIED The trigraphs used in this puzzle are the standard codes for various North 4 . American airports. There are used here NSA- Crostic No. 29 to represent either the airports them- selves, or the cities which they serve. by D. H. W. Happy landings! A. BNA: Robert Altman…