A means of estimating the age of the mastodon and other Proboscidea
| Image |  |
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| Description | Cambridge, 1910. |
| Author/s |
author: Henry Fairfield Osborn |
| Publication date | 1910 |
| Language | English |
| Country of origin | |
| Wikipedia link | |
| Access work | |
| Copyright status |
public domain in countries with 80 years pma or shorter. public domain in United States. |
| Missing/wrong data? | Edit Wikidata item |