Research Catalog

Isogonic chart of the United States, 1970.0 : lines of equal magnetic declination and equal annual change

Title
  1. Isogonic chart of the United States, 1970.0 : lines of equal magnetic declination and equal annual change / U.S. Department of Commerce, Environmental Science Services Administration, Coast and Geodetic Survey.
Published by
  1. Washington, D.C. : The Survey, 1970.
Author
  1. U.S. Coast and Geodetic Survey.

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Available by appointment at Schwarzman Building - Map Division Desk Room 117.

FormatCartographicAccessUse in libraryCall numberMap Div. 94-5831Item locationSchwarzman Building - Map Division Desk Room 117

Details

Additional authors
  1. United States. Environmental Science Services Administration.
Description
  1. 3 maps on 1 sheet : both sides, col.; 67 x 110 cm or smaller on sheet 81 x 119 cm.
Subject
  1. United States > Magnetic declination > Maps
  2. United States > Maps
Contents
  1. [Lower 48 states] -- [Alaska] -- [Hawaii].
Call number
  1. Map Div. 94-5831
Author
  1. U.S. Coast and Geodetic Survey.
Title
  1. Isogonic chart of the United States, 1970.0 : lines of equal magnetic declination and equal annual change / U.S. Department of Commerce, Environmental Science Services Administration, Coast and Geodetic Survey.
Imprint
  1. Washington, D.C. : The Survey, 1970.
Edition
  1. Revised April 1970.
Cartographic data
  1. Scale 1:5,000,000 ; Lambert conformal conic proj., standard parallels 33̃004552{d 45̃004700{W 55̃000041{ 130̃003800{53̃000038{ 21). (W 55̃000041{ 130̃003800{53̃000038{ 21).
  2. Scale 1:7,500,000 ; Lambert conformal conic proj., standard parallels 7̃252166{ and 38̃232166{ (E 158̃000041{ 104̃003800{73̃000038{ 43).
  3. Scale 1:7,500,000 ; Lambert conformal conic proj., standard parallels 7̃252166{ 38̃232166{ (E 179̃000041{ 149̃003800{30̃000038{ 15).
Added author
  1. United States. Environmental Science Services Administration.
Research call number
  1. Map Div. 94-5831
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