How To: Find hidden data pads 10-19 on Legendary difficulty in Halo: Reach

Even Halo: Reach on the Xbox 360 has hidden collectable items! All in the convenient (for the people hiding them) size of a small data pad! Earlier you got access to the first 9 data pads that you can get on any difficulty. Next, you will get a look on the next 9 data pads that you can only acquire while being on Legendary difficulty!