Isogonic chart of the United States, 1955.0 lines of equal magnetic declination and equal annual change.
| Main Author: | U.S. Coast and Geodetic Survey. |
|---|---|
| Format: | Map |
| Language: | English |
| Published: |
Washington,
[publisher not identified],
1955.
|
| Physical Description: |
1 map : color ; 69 x 114 cm. |
| Subjects: |
CMU Storage Folded Maps
| Location | Call Number: | Status |
|---|---|---|
| CMU Storage Folded Maps | G3701.C9 1955 .U5 | Available |