When you arrive at Grapeseed, approach Marnie to being the mission. She will task you with finding an "alien artifact" along with Johnny, who gives you a special detector. Use it to find the locations of the items.


The first artifact is a television set located northwest of the area.


The second artifact is a metal box located way up to the northeast of the TV set and next to a tree stump.


The last artifact is a workboot located on the southeast right next to Johnny's blue pickup truck. Approach the work boot to complete the mission.

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