Topic · 1 of 8 editions · peak 159 chars
BOULDER FORMATION
1st2nd3rd4th5th6th7th8th
| Edition | As printed | Type | Chars | Location | vs. previous |
|---|---|---|---|---|---|
| 8th ed. (1853–60) | ① BOULDER FORMATION | article | 159 | vol. 5, p. 245 | |
| 8th ed. (1853–60) | ② BOULDER | article | 99 | vol. 5, p. 245 |