U.S. Signal Service chart, showing the frequency of storm centres [electronic resource] : number of storm centres passing over each point deduced from the average of two years, March 1871 to February 1873 inclusive / compiled from data collected at the office of the Chief Signal Officer of the Army.
Saved in:
| Online Access: |
Online Access |
|---|---|
| Corporate Authors: | , , , |
| Other Authors: | , |
| Format: | Electronic Map Article |
| Language: | English |
| Published: |
[1874]
|
| Subjects: |