Bibliographic Details

Helicopter route chart, Chicago.

Corporate author / creator United States. National Ocean Service.
Edition 2nd ed., May 2, 1991.
Imprint Washington, D.C. : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, [1991]
Description 1 map : col. ; 74 x 76 cm., on sheet 76 x 89 cm., folded to 26 x 13 cm.
Language English
Subject Airways -- Illinois -- Chicago Metropolitan Area -- Maps.
Helicopter transportation -- Illinois -- Chicago Metropolitan Area -- Maps.
Aeronautical charts -- Illinois -- Chicago Metropolitan Area.
Aeronautical charts.
Helicopter transportation.
Illinois -- Chicago Metropolitan Area.
Cartographic data Scale 1:125,000 ; Lambert conformal conic proj., standard parallels 33⁰ and 45⁰ (W 88⁰15ʹ--W 87⁰30ʹ/N 42⁰15ʹ--N 41⁰45ʹ).
Format Map, U.S. Federal Government Document, Print
URL for this record
Notes Relief shown by spot heights.
Shows primary, secondary, and military helicopter routes, includes pictoral graphics of distinctive features that are easily recognizable from the air.
Shipping list no.: 91-0352-P.
"Includes airspace amendments effective April 4, 1991 and all other aeronautical data received by March 7, 1991. Topographic data corrected to February 1991."
"Chart will become obsolete for use in navigation upon publication of the next edition." [See Dates of latest editions, National Ocean Service, for latest dates.]
Inset: Chicago--O'Hare. Scale 1:90,000.
Includes text, directory of helicopter routes, and statistical tables.
GPO item no. 192-A-14 classification C 55.416/12-5:991 C 55.416/12-5:C 43

Regenstein, Room 370, Map Collection

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Call Number: G4104.C6P62 1991 .U5

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