In which map do I find a specific collectable?

A . The below list shows which map rewards a collectable:

Chicago ---> no collectable
Denver ---> gold screws
Saint Louis ---> gold screws
Kansas City ---> gold screws, ballpeen hammer
Santa Fe ---> ballpeen hammer
San Francisco ---> ballpeen hammer, canvas
Boise ---> canvas
Omaha ---> canvas, shingle
Nashville ---> shingle, bronze-ingot
Toronto ---> bronze-ingot, oak planks
Richmond ---> oak planks
Houston ---> no collectable
Vancouver ---> no collectable