Collectible #34: Pamphlet
You will find this collectible lying on the ground on the left side of the train platform. Make sure to grab this before killing all the Locust from the train that arrives.
Collectible #35: Assault Plans
You will find this collectible inside of a cave after mortars start to come down on the beach. In order to get this collectible you need to have the Silverback which you come across way before the cave. Then once you have the Silverback and come across the cave, there will be a gated door to the left inside. Finally use the Silverback to kick down the door and you will find it lying on the ground in the far right corner from the entrance.
Collectible #36: Schematics
You will find this collectible when you are on your way to the generator room. It will be inside of the office room with pictures on the walls as soon as you exit the elevator. You will need to first press the button behind the desk on the left to open up the hidden wall safe behind a photo. It will be inside this hidden safe on the left side of the room from where you entered.
Collectible #37: Money Stack
You will find this collectible after you have defeated all the Locust and the Siege Barges from the sky. You will enter a hotel hallway after the cutscene and at the end of the hallway before going to the area with the tree; there will be a weak tile on the ground. You need to stomp on the tile to destroy it and get the collectible underneath it.
Collectible #38: Diary
You will find this collectible after you destroy the dam. You will enter another hotel lobby and at the top of the stairs around the statue it will be on top of a table.
Collectible #39: Memorial Announcement
You will find this collectible at the beginning of the chapter. It is sitting on top of a statue stand at the end of a large long hallway inside of the hotel lobby. It is straight ahead as you walk up the small steps at the beginning.
Collectible #40: Announcement
You will find this collectible inside the elevator next to the elevator that you take up and when Baird shoots the speaker system. You will just need to press the button on the panel to call for the left elevator to open and it is hanging on the wall with 2 dead soldiers covered in blood.
Collectible #41: Brochure
You will find this collectible after getting off the elevator that you had to jump to from another falling elevator. It will be on the lower floor below you lying on the ground behind a support column from where you exit the elevator from.
Collectible #42: Fenix Research
You will find this collectible after rescuing Professor Adam Fenix, your dad and the long cutscene with him ends. It will be lying on top of the chest next to the telescope by the window.
This guide is complete. If you have any questions or comments please post below! Thanks for visiting.