| URL | Priority | Change frequency | Last modified (GMT) |
|---|---|---|---|
| https://old.ser-rrc.org/project/kenilworth-marsh-tidal-wetland-restoration-washington-d-c/ | 60% | Monthly | 2022-12-12 12:52 |
| https://old.ser-rrc.org/project/early-tallgrass-prairie-restoration-at-homestead-national-historical-park/ | 60% | Monthly | 2022-12-09 19:35 |