KAPOWSIN QUARRY
MATERIALS PRODUCED
COMPANY INFORMATION
Operator
Washington Rock Quarries, Inc.
Parent Company
Harry W Hart
Company Type
Corporation
DIRECTIONS
100
CONTACT
Contact information not available for unclaimed listings.
Are you the owner? Claim this listing46.976667, -122.202778
Data Source
Mine Safety and Health Administration (MSHA)
Last updated: 1/30/2026
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