A Cryptogram Community: the Dark Mound Is a Community of Algae and Fungi, Built Up Very Slowly, 05/1972
| Uploaded by | U.S. National Archives |
|---|---|
| License | No known copyright restrictions |
| Comments | 1 |
| Favorites | 0 |
| Views | 6,263 |
| Date taken | 1972 |
| Date uploaded | 2009-08-25 |
| Tags | usnationalarchives, environmentalprotectionagency, documerica, nara:arcid=545724 |
| Visibility | public |