- Anagantios
- |
- Exalted Member
This map here shows all 29 logs plus how you get the 30th. I've helped a few of my friends get the logs by using this map as a reference.
I don't know if this is the map you used but just take your time and make sure you cross off the ones you have gotten when you go thru.
http://images.roosterteeth.com/assets/style/guides/halo3odst/ odst-map-v002.jpg
^ RoosterTeeth Achievement Hunter Map