Operational navigation chart, ONC
Subtitle: B, C, D, E, F series : [Soviet Union and contiguous countries]
By: prepared and published by the Defense Mapping Agency Aerospace Center
Series: ONC -- B-2-4; ONC -- C-3-8; ONC -- D-3-9; ONC -- E-5-11; ONC -- F-4-6, 11; ONC -- B-F
Publisher: The Center
Published: 1970
Place of publication: St. Louis, Mo
Language: eng
Subjects: Aeronautical charts; Maps
Other titles: ONC.
Notes: "Elevations in feet."

Includes terrain characteristic tints and interchart relationship diagrams.