| URL | Priority | Change frequency | Last modified (GMT) |
|---|---|---|---|
| https://www.petrifiedforestfieldinstitute.org/registration-form/ | 60% | Weekly | 2021-04-14 21:04 |
| https://www.petrifiedforestfieldinstitute.org/privacy-policy/ | 60% | Weekly | 2019-01-25 23:11 |
| https://www.petrifiedforestfieldinstitute.org/contact-us/ | 60% | Weekly | 2021-02-24 15:17 |
| https://www.petrifiedforestfieldinstitute.org/faqs/ | 60% | Weekly | 2019-01-25 23:08 |
| https://www.petrifiedforestfieldinstitute.org/classes/ | 60% | Weekly | 2023-01-12 20:23 |
| https://www.petrifiedforestfieldinstitute.org/instructor-biographies/ | 60% | Weekly | 2023-01-03 23:28 |
| https://www.petrifiedforestfieldinstitute.org/about/ | 60% | Weekly | 2019-01-25 23:06 |