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United States / Oregon / Tangent
Documents referencing Tangent
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1971 (1)
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Seattle (1)
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FD-340 receipt for photographic copy of strip map showing radar tracing of aircraft course, with sectional chart sheets
30 November 1971 · Seattle · Part 80 · 6 pages · 1 of 6 pages
p. 211 · page 4 of 6
Tangent
Topographic and aeronautical sectional chart of western Oregon centered on Salem, with a bold black line drawn north-south through the Willamette Valley, likely representing the estimated flight path…