# State Location Mine

1 AK Fairbanks County, AK Fort Knox 2AK Northwest Arctic County, AK Pogo 3 AK Fairbanks, AK True North Mine 4AK Kotzebue, AK Delong Mountain Transportation Facility Port Site 5 AK Juneau County , AK Greens Creek 6AK Northwest Arctic County , AK Red Dog 7AK Juneau, AK Juneau, City & Borough Of 8 AK Juneau, AK Coeur Alaska Inc 9AK Delta Junction, AK Teck-Pogo Inc 10AL Mobile, AL Tuscaloosa Steel Mobile Dri 11 AZ Greenlee County , AZ Morenci 12AZ Pinal County , AZ Ray 13 AZ Yavapai County , AZ Bagdad 14AZ Pima County , AZ Sierrita 15 AZ Pima County , AZ Mission Complex 16AZ Marana, AZ Silver Bell 17AZ Gila County , AZ Miami

18 AZ Mohave County , AZ Mineral Park 19AZ Bisbee, AZ Phelps Dodge Mining Co Copper Queen Branch 20AZ Gila County , AZ Pinto Valley

21 AZ Miami, AZ Miami

22AZ Superior, AZ Resolution Copper 23 AZ Christmas, AZ Phelps Dodge 24AZ Miami /T/, AZ Carlota Copper Company 25 AZ Yavapai County, AZ Phelps Dodge Corp 26 CA Brawley, CA Western Mesquite Mines Inc 27 CA Randsburg, CA Glamis Rand Mine 28 CA Trona, CA Cr Briggs Corp 29 CA Redding, CA Mining Remedial Recovery Co 30 CO Hinsdale County , CO Golden Wonder 31 CO Boulder, CO Calais Resources Colorado, Inc 32 CO Ouray County, CO Walker Ruby Trust Mining Co. 33 CO Gilpin County, CO Hunter Gold Mining, Inc. 34 CO Dolores County, CO Specie Ridge Holding Co., Inc. 35 CO Boulder County, CO New Cardinal Llc 36 CO Teller County , CO Cresson 37 CO Clear Creek County , CO CLIMAX MOLYBDENUM CO. (Henderson Mine) 38 CO Grand County, CO Climax Molybdenum Company 39 CO Summit County, CO Climax Molybdenum Company 40 CO Lake County, CO Res-Asarco Joint Venture 41 CO Mineral County, CO Homestake Mining Company 42 CO San Juan County, CO Gold King Mines Corporation 43 CO Gunnison County, CO Climax Molybdenum Company 44 CO Park County, CO London Mine Llc45 CO Conejos County, CO Platoro Mining Co&Union Gold

46 DE New

Castle, DE American Minerals Inc. 47 ID Osburn, ID Sunshine Precious Metals Inc 48 ID Mullan, ID Hecla Mining Co 49 ID Cobalt, ID Noranda Mining Inc 50 ID Shoshone County , ID Lucky Friday 51 ID Shoshone County , ID Galena 52 ID Custer County , ID Thompson Creek 53 ID Stanley, ID Hecla Mining Co 54 ID Salmon, ID Meridian Beartrack Co 55 IL Rosiclare, IL American Minerals Inc. 56 LA Convent, LA American Iron Reduction 57 MI White Pine, MI Copper Range Co 58 MI Stambaugh Twp, MI National Steel-Dober Mine Cpx 59 MI Palmer, MI Empire Iron Mining Partnership 60 MI Ishpeming, MI Tilden Mining Co 61 MN Babbitt, MN Northshore Mining Co;Cliffs Mn 62 MN Silver Bay, MN Northshore Mining/Silver Bay P 63 MO Washington and Iron County , MO Viburnum #29 and #35 64MO Reynolds County , MO Doe Run,Brushy Creek Mine/Mill 65 MO Ellington, MO Doe Run,Resources Corp.Sweetwater Mine/Mill 66 MO Iron County, MO Doe Run Resources Corp. Viburnum (#38 and #35) 67 MO Reynolds County , MO Doe Run,FletcherMine/Mill 68 MO Iron County , MO Doe Run,Buick 69 MO Viburnum, MO Doe Run, Viburnum Div 70 MO Sullivan, MO Upland Wings 71 MO Bixby, MO Cominco, Magmont Mine 72 MO Bunker, MO Doe Run, West Fork Unit 73 MO Viburnum, MO Doe Run,Viburnum Mine #35 74MT Jefferson County , MT Golden Sunlight 75 MT Lincoln County , MT Troy 76 MT Jefferson County , MT Montana Tunnels 77 MT Nye, MT Stillwater Mining Company 78 MT Lewis And Clark Coun, MT Asarco Inc (Mike Horse) 79 MT Jardine, MT Tvx Mineral Hill Mine 80 MT Lincoln County, MT Noranda Minerals Corp 81 MT Noxon, MT Revett Silver Company 82 MT Silver Bow

County , MT Continental Pit 83 MT Lewis And Clark Coun, MT Montana Gold & Sapphires Inc 84MT Virginia City, MT M & W Milling & Refining Inc 85 NJ Old Bridge, NJ Blonder Tongue Labs 86NM Grant County , NM Ty rone 87NM Taos County , NM Molycorp Inc - Questa 88NM Santa Fe County, NM Pegasus Gold Corporation 89NM Deming, NM American Minerals Inc 90NM Grant County , NM Chino 91 NM Milan, NM Uranium King Corporation 92NV Unknown Eastern Nevada Operations 93 NV Eureka County , NV Betze-Post

94NV Nye County , NV Smoky Valley Common Operation95 NV Elko County , NV Meikle

96NV Lander County , NV Cortez 97NV Humboldt County , NV Lone Tree 98NV Golconda, NV Twin Creeks 99NV White Pine County , NV Bald Mountain 100NV Humboldt County , NV Turquoise Ridge 101 NV Elko County , NV Jerritt Canyon 102NV Humboldt County , NV Marigold 103 NV Elko County , NV Midas 104NV White Pine County , NV Robinson 105 NV Pershing County , NV Standard

106NV Lander County , NV Mule Canyon 107NV Mineral County , NV Denton-Rawhide 108NV Pershing County , NV Florida Canyon

109NV Pershing County , NV Rochester 110NV Elko, Eureka, Humboldt, Lander County , NV Carlin Mines Operations 111 NV Eureka, NV Ruby Hill Mine 112NV Haw

thorne, NV Esmeralda Mine 113 NV Valmy, NV New mont Mining Corp Trenton Canyon Mine 114NV Battle Mountain, NV New mont Mining Corp Mccoy/Cove Mine 115 NV Carlin, NV New mont Mining Corp Carlin North Area 116NV Carlin, NV New mont Mining Corp Carlin South Area 117NV Nye County, NV Kinross Gold Corp. Round Mountain 118NV Lander County , NV Phoenix 119NY Pierrepont Manor, NY Pierrepont Mine 120NY St. Lawrence County , NY Balmat

121 OH Eastlake, OH Skrl Die Casting Inc 122 OR Enterprise, OR Parks Bronze 123 SC Kershaw, SC Haile Gold Mine 124 SC Ridgeway, SC Kennecott/Ridgeway Gold Mine 125 SD Lawrence County , SD Wharf 126 SD Lead, SD Homestake Mining Co-Gold Div 127 SD Lead, SD Lac Minerals (Usa) Inc 128 SD Lead, SD Golden Reward Mining Co 129 TN Carthage, TN Mossy Creek Mining, Llc 130 TN Jefferson City, TN Asarco, Inc., Tn Mines Div. 131 TN New

Market, TN Asarco, Inc., Tn Mines Div. 132 TN Mascot, TN Asarco, Inc., Tn Mines Div. 133 TN Elmwood, TN Mossy Creek Mining, Llc 134 TN Jefferson County, TN Asarco, Inc., Tn Mines Div. 135 TN Gordonsville, TN Mossy Creek Mining, Llc 136 TN New

Market, TN Mossy Creek Mining, Llc 137 TN Thorn Hill, TN Mossy Creek Mining, Llc 138 TN Jefferson City, TN Asarco, Inc. Tn Mines Div. 139 TX El Paso, TX American Minerals Inc 140UT Salt Lake County , UT Barney's Canyon141 UT Salt Lake County , UT Bingham Canyon

142UT San Juan County , UT Lisbon Valley 143 UT San Juan County, UT Internation Uranium (Usa) Corp 144UT Salt Lake City, UT Kennecott Copper Co 145 UT Heber /City/, UT Jordanelle Special Service Dis 146UT Vernal, UT Lexco, Inc. (E) 147 WA Curlew, WA K2 Mine 148 WA Republic, WA Kinross Gold Corp. Kettle River Operations Mill 149 WA Wellpinit, WA Daw n Mining Co 150WA Pend Oreille County , WA Pend Oreille 151 WV Fairmont, WV Reiss Viking 152 WY Carbon County, WY Pathfinder Mines Corporation 153 WY Fremont County, WY Pathfinder Mines Corporation 154WY Fremont County, WY Green Mountain Mining Venture Source:2006 USGS Minerals Yearbook,DMRLoads2007_v3, TRICalculations2007_v2.

1Determined in some cases from Primary SIC Code

2Production ranking based on 2006 USGS Minerals Yearbook.

3Indicates monitoring data associated with the primary NPDES ID

4Indicate NPDES IDs that correspond to other permits (stormwater or industrial) associated with the facility listed. No data available in PCS or ICIS-NPDES for these NPDES IDs.

5Inidcates any ferrolloy ores except aluminum *NPDES ID Unknown - facility is not in PCS or ICIS-NPDESPrimary

NPDES ID Discharge MonitoringData in PCS or ICISNPDES3? Primary

Commodity1 Production

Ranking for Primary Commodity2

* N Gold 9

* N Gold 16

* N Gold Unknown

* N Gold Unknown AK0043206 Y Zinc 2 AK0038652 Y Lead 1 AK0049514 Y Gold Unknown AK0050571 Y Gold Unknown AK0053341 Y Iron Unknown AL0071111 N Copper Unknown AZ0022705 AZU000005 AZU000172 N Copper 1 AZ0000035 N Copper 3 AZ0022268 AZU000101 N Copper 5 AZU000043 AZU000047 N Copper 6 AZ0024597 AZ0024635 AZU000042 N Copper 8 AZU000001 N Copper 11 AZ0024350 AZ0024350 N Copper 12

AZU000053 N Copper 15

* N Lead Unknown AZ0020401 AZU000087 Y Copper 16

AZ0020401 AZU000087 Y Copper 17

AZ0020389 Y Copper Unknown AZ0020516 Y Ferroalloy5 Unknown AZ0024112 Y Silver Unknown AZ0024546 Y Gold Unknown

* N Gold Unknown

* N Gold Unknown

* N Silver Unknown CA0081876 Y Lead Unknown

* N Gold 26 CO0032751 N Silver Unknown CO0037206 N Ferroalloy5 Unknown CO0043168 N Iron Unknown CO0045756 N Iron Unknown CO0046167 N Iron Unknown CO0024562 CO0043648 Y Gold 10 CO0041467 Y Ferroalloy5 Unknown CO0000230 Y Gold Unknown CO0000248 Y Gold Unknown CO0000591 Y Silver Unknown CO0000710 Y Gold Unknown CO0027529 Y Gold Unknown CO0035394 Y Lead Unknown CO0038334 Y Gold Unknown

Additional NPDES IDs4CO0038954 Y Gold Unknown

* N Lead Unknown ID0000159 N Iron Unknown ID0000167 N Lead Unknown ID0025259 N Lead Unknown ID0000175 IDR05A396 Y Silver 5 ID0000027 ID0025429 IDR05A419 Y Silver 7 ID0025402 Y Ferroalloy5 Unknown ID0026468 Y Copper Unknown ID0027022 Y Gold Unknown

* N Copper Unknown LA0103284 N Gold Unknown MI0006114 N Gold Unknown MI0045063 N Copper Unknown MI0000094 Y Lead Unknown MI0038369 Y Silver Unknown MN0046981 Y Ferroalloy5 Unknown MN0055301 Y Uranium/Vanadium/Radium Unknown

* N Lead 5 MO0001848 N Lead 4 MO0001881 N LeadGold Unknown

* N Lead Unknown MO0001856 Y Lead 2 MO0002003MO0000337 Y Lead 3 MO0000086 Y LeadGold Unknown MO0000574 Y IronLead Unknown MO0001872 Y LeadGold Unknown MO0100218 Y LeadGold Unknown MO0100226 Y LeadGold Unknown MTR300012 MTR300199 N Gold 17

* N Silver 8 MT0028428 N Lead 10 MT0024716 N Lead Unknown MT0030031 N Lead Unknown MT0030252 N Lead Unknown MT0030279 N Lead Unknown MT0030287 N Lead Unknown MT0000191 Y Copper 9 MT0025020 Y Lead Unknown MT0030015 Y Lead Unknown

* N Gold Unknown NMR05A918 N Copper 10 NM0022306 Y Ferroalloy5 Unknown NM0028711 N Lead Unknown

* N Lead Unknown NM0020435 NMR05A461 NMR05A945 Y Copper 4 NM0028169 Y Copper Unknown

* N Gold 2 NV0022675 N Gold 1

* N Gold 3NV0022675 N Gold 5

* N Gold 6 NV0021962 N Gold 7 NV0021725 N Gold 8

* N Gold 11 NVU000006 N Gold 12

* N Gold 13

* N Gold 14

* N Gold 15

* N Copper 7

* N Gold 23

* N Gold 24

* N Gold 25

* N Gold 27

NVU000003 NVU000012 n Silver 3

* N Silver 12

* N Lead Unknown

* N Copper Unknown

* N Gold Unknown

* N Copper Unknown

* N Gold Unknown

* N Gold Unknown

* N Gold Unknown NVU000007 N Gold 20 NY0109126 n Lead Unknown NY0001791 Y Zinc 5

* N Lead Unknown

* N Gold Unknown SC0040479 N Uranium/Vanadium/Radium Unknown SC0041378 N Iron Unknown SD0025852 Y Gold 22 SD0000043 SD0025933 Y Uranium/Vanadium/Radium Unknown SD0026883 Y Uranium/Vanadium/Radium Unknown SD0026905 Y Lead Unknown TN0064289 n Gold Unknown TN0001732 Y Ferroalloy5 Unknown TN0001741 Y Copper Unknown TN0001759 Y Ferroalloy5 Unknown TN0004227 Y Lead Unknown TN0027677 Y Ferroalloy5 Unknown TN0029360 Y Copper Unknown TN0057029 Y Ferroalloy5 Unknown TN0060127 Y Gold Unknown TN0061468 Y Gold Unknown

* N Ferroalloy5 Unknown

* N Gold 28* N Copper 2

* N Copper 14 UT0023922 N Gold Unknown UT0000051 Y Silver Unknown UT0022403 Y Gold Unknown UT0025259 N Gold Unknown

* N Gold Unknown

* N Gold Unknown WA0025721 Y Gold Unknown WA0001317 WAR001204 N Zinc 3 WV0044903 N Gold Unknown WY0001252 Y Copper Unknown WY0003131 Y Gold Unknown WY0033952 N Gold Unknown

Indicate NPDES IDs that correspond to other permits (stormwater or industrial) associated with the facility listed. No data available in PCS or ICIS-NPDES for these NPDES IDs.TRIFID Majority owner Comment

99707FRTKN1FORA Kinross Gold Corporation 99737PGMNX38MIL Teck Cominco Inc. 99712TRNRT1TWIN Unknown 99752RDDGP13MIL Unknown 99801KNNCT13401 Kennecott Greens Creek Mining Co. 99752RDDGP90MIL Teck Cominco Alaska Inc. None Unknown None Unknown None Unknown None Unknown 85540PHLPS4521U Phelps Dodge Corp. 85237SRCNCHWY17 Asarco LLC 86321CYPRS1MAIN Unknown 85614CYPRS6200W Unknown 85629SRCNC4201W Asarco LLC 85653SLVRB25000 Asarco LLC 85532NSPRTPOBOX Phelps Dodge Corp. Freeport is a corporate relative of Phelps Dodge

86401QTRLM16MIL Mercator Minerals Ltd. 85603PHLPS36WHW Unknown 85539BHPCPHWY60 BHP Billiton This and the Miami mine share the same discharges but have different TRIFIDs 85539BHPCPHWY6A Unknown This and the Pinto Valley mine share the same discharges but have different TRIFIDs None Unknown None Unknown None Unknown None Unknown 92227NWMNT6502E Unknown 93554GLMSR27850 Unknown 93562CRBRGWINGA Unknown None Unknown None LKA International Inc. None Unknown None Unknown None Unknown None Unknown None Unknown 80860CRPPL2755S Cripple Creek & Victor Gold Mining Co. 80438CLMXM9MILE Unknown 80468CLMXM19302 Unknown None Unknown None Unknown None Unknown None Unknown None Unknown None UnknownNone Unknown

19720MRCNM301PI Unknown None Unknown None Unknown None Unknown 83846LCKYFI90EX Hecla Mining Company 83873SLVRVLAKEG U.S. Silver Corporation 83227THMPSSQUAW Thompson Creek Metals Co. None Unknown None Unknown 62982MRCNMFERRE Unknown None Unknown None Unknown None Unknown None Unknown None Unknown None Unknown None Unknown 65566VBRNMCASTE Doe Run Resources Corp. Not active 63629BRSHYHWYKK Doe Run Resources Corp. 63638SWTMMHIGHW Doe Run Resources Corp. None Doe Run Resources Corp. Not active 63629FLTCHHWYTT Doe Run Resources Corp. 65440BCKMNHWYKK Doe Run Resources Corp. None Doe Run Resources Corp. None Wings Enterprises Reopening None Teck Cominco Not active, reclamation nearly complete None Doe Run Resources Corp. None Doe Run Resources Corp. 59759GLDNS453MO Barrick Gold Corporation None Revett Minerals Inc. 59638MNTNT5MILE Apollo Gold Corp. None Unknown None Unknown None Unknown None Unknown None Unknown 59701MNTNR600SH Montana Resources None Unknown None Unknown 08857BLNDR1JAKE Unknown 88065PHLPSHWY90 Phelps Dodge Corp. None Molycorp, Inc. None Unknown 88031MRCNM2010F Unknown 88043CHNMN210CO Phelps Dodge Corp. None Unknown None New mont Mining Corporation 89803BRRCK27MIL Barrick Gold Corporation Co-located with Meikle mine (same TRIFID and NPDES ID) 89045SMKYV1SMOK Kinross Gold Corporation89803BRRCK27MIL Barrick Gold Corporation Co-located with Betze-Post mine (same TRIFID and NPDES ID) 89821CRTZGSTARA Unknown 89438NWMNTSTONE New mont Mining Corporation 89414NWMNT35MIL Unknown 89803BLDMN70MIL Barrick Gold Corporation 89414GTCHL28MIN Unknown 89801JRRTT50MIL Queenstake Resources USA Ltd. 89438GLMSM3MILE Goldcorp Inc. 89414KNSNY60MIL New mont Mining Corporation 89319BHPCP7MILE Quadra Mining Ltd. 89418FLRDCEXIT1 Jipangu Inc. Co-located with Florida Canyon mine (shares same TRIFID). 89438NWMNTBEACO New mont Mining Corporation 89406KNNCT55MIL Kennecott Minerals Company 89418FLRDCEXIT1 Jipangu Inc. Co-located with Standard mine (shares same TRIFID). 89419CRRCH180EX Coeur d'Alene Corporation5
None New mont Mining Corporation 89316RBYHLINTER Unknown 89415SMRLD28LUC Unknown 89438NWMNTEIGHT Unknown 89820CHBYM1MCCO Unknown 89822NWMNT25MIL Unknown 89822NWMNT6MAIL Unknown None Unknown 89820BTTLMCOPPE New mont Mining Corporation None Unknown 13642ZCMNS408SY Hudbay Minerals Inc. Two other zinc mines in the same county show up in TRI. 44095SKLDC34580 Unknown 97828PRKSB331GO Unknown None Unknown None Unknown 57754WHRFRTROJA Wharf Resources Inc. 57754HMSTK630ES Unknown None Unknown None Unknown None Unknown None Unknown None Unknown None Unknown None Unknown None Unknown None Unknown None Unknown 37881SVGZNRTE13 Unknown None Unknown 79922MRCNM3666D Unknown 84006KNNCT8200S Kennecott Minerals Company Superfund site on NPL84006KNNCT12300 Kennecott Utah Copper Corp.

84530LSBNV92SCU Constellation Copper Corp. None Unknown 84006KNNCT8362W Unknown None Unknown None Unknown 99118CHBYN2400W Unknown 99166KTTLR363FI Unknown None Unknown 99153PNDRL1382P Teck Cominco American Inc. None Unknown None Unknown None Unknown None Unknown