Catalogued
Isohyet map
- Made by
- Various, after Humboldt
- Year
- 1800s
- Field
- Meteorology and climate
- Kind
- Map
- Room
- Places — Placed by reading its description, not yet studied
20 other forms share this skeleton
Source
Brinton 1939, Graphic Presentation
Attribution less certain: contested, or no single inventor recorded