Can not seem to find last four spaceship parts
I had 18 spaceship parts. I can't find part 47, 48, 49 and 50. I play on PS3. How can I obtain the last four parts?
part 47 - This Spaceship part is located in the hidden marijuana farm just to the north of Grapeseed. Take the road leading to farm and you'll find the case inside the empty farmhouse.
part 48 - This Spaceship part is located in the forest in Paleto Bay. Look for a large tree log above a concrete waterway. The case is inside the concrete waterway.
part 49 - This Spaceship part is located in a multistory firetower. Take the stairs and you'll find the case on the third floor.
part 50 - This Spaceship part is located at the Donkey Punch farm in Paleto Bay. The case is inside the main shed at the back.