Mines in San Juan County, Washington

San Juan County, Washington has 86 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 4 of these are currently active mining operations. The most commonly recorded commodity is limestone, general, with 53 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in San Juan County

Mine	Commodity	Type	Status	Source
Dolphin Bay Quarry	Dimension Traprock	Surface	Active	MSHA
Lawson Quarry Inc	Construction Sand and Gravel	Surface	Active	MSHA
Sea Island Quarry	Crushed, Broken Stone NEC	Surface	Active	MSHA
Sea Island Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Alaska Barge Co. Quarry	Flagstone	Surface	Past Producer	MRDS
Biendle Deposit	Limestone, General	Surface	Occurrence	MRDS
Blakely Island	Kyanite	Surface	Occurrence	MRDS
Buck Mountain Deposit No. 1	Limestone, General	Surface	Past Producer	MRDS
Caldwell Point Deposit	Limestone, General	Surface	Occurrence	MRDS
Camp Indralaya Deposit	Limestone, General	Surface	Occurrence	MRDS
Chuckanut Lime Co. Quarry	Limestone, General	Surface	Past Producer	MRDS
Cliff Island Deposit	Limestone, General	Surface	Past Producer	MRDS
Cowell Quarry	Limestone, General	Surface	Past Producer	MRDS
Crane Island Deposit	Limestone, General	Surface	Occurrence	MRDS
Davison Head Deposit	Limestone, General	Surface	Occurrence	MRDS
Deadman Bay Deposits	Limestone, General	Surface	Occurrence	MRDS
Deer Harbor Feldspar Deposit	Feldspar	Surface	Occurrence	MRDS
Double Hill Deposit No. 1	Limestone, General	Surface	Occurrence	MRDS
Egg Lake Quarry	Crushed, Broken Traprock	Surface	Intermittent	MSHA
Englehartson Deposit	Limestone, General	Surface	Occurrence	MRDS
English Camp Deposit	Limestone, General	Surface	Prospect	MRDS
Entrance Mountain Deposit	Limestone, General	Surface	Occurrence	MRDS
Erismann Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Eureka Deposit	Limestone, General	Surface	Past Producer	MRDS
Flaherty Deposit No. 1	Limestone, General	Surface	Occurrence	MRDS
Four Winds Deposit	Limestone, General	Surface	Occurrence	MRDS
Fowler Deposit No. 1	Limestone, General	Surface	Occurrence	MRDS
Friday Harbor Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Hannah Area Outcrop A	Limestone, General	Surface	Occurrence	MRDS
Hannah Area Outcrop B	Limestone, General	Surface	Occurrence	MRDS
Henry Island Deposit No. 1	Limestone, General	Surface	Past Producer	MRDS
Humphrey Head Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Imperial Lime Co. Quarry	Limestone, General	Surface	Past Producer	MRDS
Johnson Quarries	Limestone, General	Surface	Past Producer	MRDS
Jones Island Depsoit No. 1	Limestone, General	Surface	Occurrence	MRDS
Judd Cove Deposit	Limestone, General	Surface	Occurrence	MRDS
Kellett Bluff Deposit	Limestone, General	Surface	Occurrence	MRDS
Krumdick	Limestone, General	Surface	Past Producer	MRDS
Langdon Deposit South Part	Limestone, General	Surface	Past Producer	MRDS
Langell Deposit	Limestone, General	Surface	Occurrence	MRDS
Lawson Cave Deposit	Limestone, General	Surface	Occurrence	MRDS
Limestone Point Quarry	Limestone, General	Surface	Past Producer	MRDS
Lopez Redi-Mix Pit and Plant	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Lopez Sand and Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Lopez Sand and Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
McGraw-Kittinger Deposit		Surface	Past Producer	MRDS
Mitchell Bay Quarry	Limestone, General	Surface	Past Producer	MRDS
Moran State Park Deposit	Limestone, General	Surface	Occurrence	MRDS
Mount Dallas Deposits	Limestone, General	Surface	Occurrence	MRDS
Mountain Crest Quarry	Construction Sand and Gravel	Surface	Abandoned	MSHA
Newhall	Limestone, General	Surface	Occurrence	MRDS
North Beach Quarry	Stone, Crushed/Broken	Surface	Prospect	MRDS
O'Neal Island	Limestone, General	Surface	Occurrence	MRDS
Olga Deposit	Limestone, General	Surface	Occurrence	MRDS
Open Bay Deposit	Limestone, General	Surface	Occurrence	MRDS
Orcas Island	Clay	Surface	Past Producer	MRDS
Payton	Limestone, General	Surface	Past Producer	MRDS
Pineo Deposits No. 1 and 2	Limestone, General	Surface	Past Producer	MRDS
Portable #1	Construction Sand and Gravel	Surface	Intermittent	MSHA
Rouleau Quarry	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
Raccoon Point Deposit	Limestone, General	Surface	Occurrence	MRDS
Red Cross Quarry	Limestone, General	Surface	Past Producer	MRDS
Reid Harbor Quarries	Flagstone	Surface	Past Producer	MRDS
Roche Harbor Quarries	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Rosario Deposit	Limestone, General	Surface	Occurrence	MRDS
Rouleau	Limestone, General	Surface	Occurrence	MRDS
Rulo	Limestone, General	Surface	Occurrence	MRDS
Rusch Deposit No. 1	Limestone, General	Surface	Occurrence	MRDS
Screening Plant #1	Construction Sand and Gravel	Surface	Abandoned	MSHA
Sea Island Pit & Screening	Construction Sand and Gravel	Surface	Abandoned	MSHA
Shoal Bay Pit No. 2	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Soderberg Quarries	Limestone, General	Surface	Past Producer	MRDS
Sucia Island Quarries	Flagstone	Surface	Past Producer	MRDS
Unnamed Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unnamed Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unnamed Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unnamed Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unnamed Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unnamed Quarry	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unnamed [ot	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Welch Deposit	Limestone, General	Surface	Occurrence	MRDS
West Sound Quarries	Limestone, General	Surface	Past Producer	MRDS
Wilson Quarry	Limestone, General	Surface	Past Producer	MRDS
Wright Deposit	Limestone, General	Surface	Occurrence	MRDS
Yansen Deposit	Limestone, General	Surface	Occurrence	MRDS
Young Hill East Deposit	Limestone, General	Surface	Occurrence	MRDS