Mines in Seneca County, Ohio

Seneca County, Ohio has 22 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 12 of these are currently active mining operations. The most commonly recorded commodity is crushed, broken limestone nec, with 5 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in Seneca County

Mine	Commodity	Type	Status	Source
Bloomville Quarry	Dimension Limestone	Surface	Active	MSHA
Bloomville Stone Quarry	Crushed, Broken Limestone NEC	Surface	Active	MSHA
Flat Rock Quarry	Dimension Limestone	Surface	Active	MSHA
Mgq Inc	Crushed, Broken Limestone NEC	Surface	Active	MSHA
Maple Grove Operations	Lime	Facility	Active	MSHA
Bellevue Quarry	Limestone, Dimension, Stone, Crushed/Broken	Surface	Producer	MRDS
Bloomville Stone Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Flat Rock Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
J.a. Miller Tile Company Pit	Clay	Surface	Producer	MRDS
Maple Grove Lime Plant		Processing Plant	Producer	MRDS
Maple Grove Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Union Carbide/ Fostoria, Ohio	REE	Processing Plant	Producer	MRDS
Basic Refractories Quarry	Calcium		Past Producer	MRDS
Bellevue Quarry	Limestone, General		Past Producer	MRDS
Bloomville Quarry	Limestone, General		Past Producer	MRDS
Flat Rock Stone Quarry	Crushed, Broken Limestone NEC	Surface	Abandoned	MSHA
Heitsche North Shore Stone Quarry Llc	Crushed, Broken Limestone NEC	Surface	Intermittent	MSHA
J.a. Miller Tile Company Pit	Clay		Past Producer	MRDS
Millersville Quarry	Crushed, Broken Limestone NEC	Surface	Abandoned	MSHA
Northern Ohio Stone Quarry	Limestone, General		Past Producer	MRDS
Saint Stephen Tile Co., Inc. Pit	Clay		Past Producer	MRDS
Saint Stephen Tile Co., Inc. Pit	Clay	Surface	Past Producer	MRDS