Guides / Red Dead Redemption 2 / Stranger Mission

A Test of Faith

The mission strand involves finding and mailing all 30 dinosaur bone locations across the map for amateur paleontologist Deborah MacGuiness. It ends with visiting her workshop to see her assembled hybrid dinosaur skeleton and receiving the Jawbone Knife.

Type

Stranger Mission

Given by

Deborah MacGuiness

Starts

An excavation site in The Heartlands, New Hanover, southeast of Horseshoe Overlook and northeast of Flatneck Station

Rewards

• Quartz Chunk
• Skull Statue
• Deborah's Invitation Letter
• Jawbone Knife
• 100% completion credit

Parts

A Test of Faith - I

An excavation site in The Heartlands, New Hanover, southeast of Horseshoe Overlook and northeast of Flatneck Station

1. Speak with Deborah and help her load an excavated fossil onto her wagon.
2. Accept the task to find 30 dinosaur bone sites across the map and mail her their coordinates.

Part II

Deborah MacGuiness's workshop/home at Firwood Rise in Cumberland Forest, New Hanover, northeast of Valentine

1. Locate all 30 dinosaur bone sites across the open world.
2. Visit any post office to mail the discovered coordinates to Deborah MacGuiness.
3. Mail 1 bone location to receive a Quartz Chunk at a post office.
4. Mail 15 bone locations to receive a Skull Statue via the mail.
5. Mail all 30 bone locations to receive an invitation letter to Deborah's workshop.

Part III

1. Collect and read Deborah's invitation from a post office.
2. Travel to Deborah's workshop at Firwood Rise, northeast of Valentine.
3. Watch the cutscene where Deborah unveils her assembled hybrid dinosaur skeleton.
4. Receive the Jawbone Knife melee weapon to complete the mission.

25 facts on this page checked against sources · 25 supported · last checked Oct 2026

Sources: ign.com, gtabase.com, powerpyx.com, guides4gamers.com