Éditeur(s) :
[s.n.] ( Washington ) Résumé : Complete in 8 sheets.
"Polyconic projection."
Military grid.
"Contour interval 25, 50 feet changing to 100 feet at 100 foot contour."
Six classes of roads or trails are shown.
Provisional edition, 1940, by U.S. Army, Corps of Engineers, has title "Trinidad and Tobago .. Tactical map."
Marginal map: Index to sheets.
Trinidad and Tobago
Trinidad
Trinidad
Droits : This item is a work of the U.S. federal government and not protected by copyright pursuant to 17 U.S.C. §105.
002631426
06455957
AMZ8170
http://ufdc.ufl.edu/UF00065429/00001