Timeline for What built these mud structures (Ohio, USA)?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 7, 2018 at 18:42 | history | edited | cobaltduck | CC BY-SA 3.0 |
added 181 characters in body
|
| Jun 19, 2016 at 20:20 | vote | accept | cobaltduck | ||
| Jun 19, 2016 at 20:20 | comment | added | cobaltduck | Wow! Did I ever learn something today. My middle school science teachers never mentioned anything like this. | |
| Jun 19, 2016 at 15:53 | history | answered | Russell Steen | CC BY-SA 3.0 |