The magnetic field of the earth, 1990
| Main Author: | Geological Survey (U.S.) |
|---|---|
| Other Authors: | Peddie, Norman W. |
| Format: | Map |
| Language: | English |
| Published: |
Reston, Va. : Denver, CO :
The Survey ; For sale by Map Distribution,
1993.
|
| Physical Description: |
5 maps : color ; 63 x 100 cm, on sheets 86 x 122 cm. |
| Series: |
Geophysical investigations (Geological Survey (U.S.)) ;
map GP-1004. |
| Subjects: |
| Item Description: |
Supersedes Peddie and Zunde, 1988. "Five world charts showing ... earth's magnetic field at mean sea level at the beginning of 1990." Includes 2 ancillary maps of the polar regions. Scale 1:60,192,000 (along meridians only). Includes bibliographical references. D. Declination chart -- F. Total intensity chart -- H. Horizontal intensity chart -- I. Inclination chart -- Z. Vertical intensity chart. |
|---|---|
| Physical Description: |
5 maps : color ; 63 x 100 cm, on sheets 86 x 122 cm. |
| Bibliography: |
Includes bibliographical references. |