GLOBALS

>>17016480

>>17016469

>>17015842

>>17016352

>>17015731

>>17016458

NOTABLES ARE NOT ENDORSEMENTS

#22039

>>17015450

>>17015771

>>17015743

>>17016014

>>17015706

>>17016382

>>17016646

>>17015978

>>17016553

>>17015856

>>17016809

>>17016460

>>17016465

>>17016133

>>17016585

>>17016372

>>17016458

>>17016779

>>17016382

>>17016834

>>17015609

>>17016353

>>17016207

>>17017067

Inventor: Deryck F. Boot, Knighton, England

Assignee: MinnesotaMiningand

Manufacturing Company, St. Paul, Minn.

A mining company would have tunnels, right?