Where to find all the dinosaur bones in RDR 2

One of the many quests in Red Dead Redemption 2 is The "test of faith". In order to pass it, you need to find 30 dinosaur bones on behalf of paleontologist Deborah McGuinness. The map below will help you complete this task.

After Arthur tells Deborah where all the remains are, the player will receive bonuses:

1 bone - a Piece of quartz
15 bones - skull Statue
30 bones - Deborah McGuinness's jawbone Knife