Keywords: Operational Navigation Chart D-4, 3rd edition.jpg 1 1 000 000 scale Operational Navigation Chart Sheet D-4 3rd edition Covers the U S S R Lambert Conformal Conic Projection Standard Parallels 57 20N and 62 40N Center longitude 55E 1974-06 txu-pclmaps-oclc-8322829_d_4 jpg onc/ Defense Mapping Agency Aerospace Center St Louis Air Force Station Mo Covers 56N to 64N 44E to 66E PD-USGov Uploaded with UploadWizard ONCs uploaded by Revent Operational Navigation Chart Old maps of USSR Maps with Lambert conformal conic projection JPG maps Operational Navigation Charts in the Perry-CastaƱeda Library |