Keywords: Operational Navigation Chart E-18, 7th edition.jpg 1 1 000 000 scale Operational Navigation Chart Sheet E-18 7th edition Covers Canada Lambert Conformal Conic Projection Standard Parallels 49 20N and 54 40N Center longitude 76W 1984-09 txu-pclmaps-oclc-8322829_e_18 jpg onc/ Defense Mapping Agency Aerospace Center St Louis Mo Covers 48N to 56N 68W to 84W PD-USGov ONCs uploaded by Revent Operational Navigation Chart Maps of Canada Maps with Lambert conformal conic projection JPG maps Operational Navigation Charts in the Perry-CastaƱeda Library |