Catalogued
Harker variation diagram
- Made by
- Alfred Harker
- Year
- 1909
- Field
- Earth science and hydrology
- Kind
- Data display
- Room
- How a group spreads — Placed by reading its description, not yet studiedCould also hang in: Change over time
46 other forms share this skeleton
Source
Harker 1909, The Natural History of Igneous Rocks
Attribution checked against the source