Hillsboro, OR Mines

Mines in Hillsboro, Oregon

Mine Owner Land Status Work Type Minerals
Aloha Quarry Quality Rock Plant #1 Karban Rock, Inc. Private Stone, Crushed
Aloha Quarry/Quality Rock # 1 Karban Rock, Inc. Stone
Bauxite Tualatin Mountains Aluminum
Iron
Titanium
Clay Mine Chappell Transportation, Inc Clays
Farmington Pit Stone
Farmington Quarry Baker Rock Crushing Co. Stone
Farmington Quarry Baker Rock Crushing Co. Private Stone, Crushed
Hillsboro Private PGE
Hillsboro Platinum Occurrence PGE
Hoyt Quarry Multnomah County Public Works Department Stone
John Mathews Stone
John Mathews Private Stone, Crushed
Krueger Quarry Oregon State Highway Department Stone
Krueger Quarry Oregon State Highway Department State Stone, Crushed
Multnomah County Multnomah County Public Works Department County Stone, Crushed
Rock Creek Washington County Stone
Rock Creek Quarry Washington County County Stone
Tualatin Mountains Bauxite Aluminum
Iron
Titanium
Unnamed Multnomah County Quarry Unknown Stone, Crushed
Unnamed Pit Chappell Transportation, Inc. Clays
Vandecoevering Stone
Vandecoevering Private Stone
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