PROJECT HISTORY

ClientProjectLocationStart DateEnd DateDescription of WorkDrifting, Ft.Ore TonsBackfill Tons
Nevada Copper, Inc.Pumpkin HollowYerington, NV2023-06-01 00:00:00In Progress16′ x 16′ Development and 15′ x 15′ Ore Drifting, Shaft Access564600
Jervois Mining, USA.Idaho Cobalt ProjectSalmon, ID2021-08-01 00:00:00In ProgressHighwall, Portal, Development, Production Mining13194488770
i-80 Gold Corp.Granite Creek MineGolconda, NV2021-03-01 00:00:00In ProgressRehab, Drill Support, Bulk Sample, Development, Production, Backfilling17046155894266692
Nevada Gold Mines (Barrick Goldstrike Mines Inc.)Turquoise RidgeGolconda, NV2020-09-01 00:00:00In ProgressHigh Capacity Ground Support, Critical Development around 3rd Shaft2793823791545488
Nevada Gold MinesNorth PostCarlin, NV2020-04-01 00:00:00In ProgressRehab, Reinstall Utilities, Development Drifting18891540000
Nevada Gold Mines (Newmont Mining Corp.)VistaGolconda, NV2017-07-05 00:00:00In Progress14′ x 16′ Development, 14′ x 16′ Sill Cuts, Long Hole Stoping, Backfilling, Full Production Mining4428715161131158344
Nevada Gold Mines (Newmont Mining Corp.)LeevilleCarlin, NV2014-08-01 00:00:00In Progress15′ x17′ Development, Mining, Backfilling, Rehabilition, Installation of paste fill lines, various cellular filling51439225973479578
i-80 Gold Corp.Cove HelenBattle Mountain, NV2022-02-01 00:00:002023-08-31 00:00:00Portal Excavation, Portal, Development573800
Jerritt Canyon GoldSmithElko, NV2010-03-01 00:00:002023-06-30 00:00:0015′ x 15′ Development, Drift & Fill Mining, CRF, Shotcrete (as of 12/14)13434746484153751462
Jerritt Canyon GoldSSXElko, NV2014-06-12 00:00:002023-03-20 00:00:0015′ x 15′ Development, Drift & Fill Mining, CRF, Shotcrete, Cubex drilling10557636688304116264
Nevada Gold MinesCarlin East PortalsCarlin, NV2022-09-01 00:00:002023-04-01 00:00:00Two portals, 19′ x 20′ and 17′ x 18′24900
Sabre Gold Corp.Copperstone MineQuartzsite, AZ2021-09-01 00:00:002022-02-02 00:00:00Rehab, Reinstall Utilities. 000
Nevada Gold Mines (Barrick Goldstrike Mines Inc.)El NiñoCarlin, NV2018-07-08 00:00:002021-07-31 00:00:00Highwall stabilization, Two Portals, 16′ x 17′ Development, 15′ x 15′ Drift and Fill, CRF, Full Production Mining18476604427595217
University of ArizonaSan Xavier Minng LaboratoryTuscon, AZ2020-09-30 00:00:002021-03-31 00:00:00Portal and 350′ of 15′ x 15′ drifting to create a modern facility35900
Freeport McMoran Inc.Mayflower Frisco, CO2019-06-01 00:00:002020-06-01 00:00:0012′ x 14′ Drainage Tunnel, Raise, and associated works116000
Newmont Mining Corp.ChukarCarlin, NV2011-09-01 00:00:002019-12-31 00:00:00Portal, 16′ x 16′ Development, LHS & C&F Mining3120032090001952810
CRG Mining LLCGold Links MineOhio City, CO2017-07-01 00:00:002018-04-30 00:00:00New Portal, 15′ x 15′ development, drifting on vein, stope mining, support drilling efforts112715000
Newmont Mining Corp.Vista (Twin U/G)Golconda, NV2016-01-03 00:00:002016-10-15 00:00:0014′ x 16′ Development,14′ x 16′ Sill Cuts, Long Hole Test Stoping, Backfilling, Drill Support80080009000
Carlin ResourcesHollisterMidas, NV2016-05-15 00:00:002016-09-30 00:00:00Rehabilitation of Existing Workings, Support for various tours000
Jerritt Canyon GoldStarvation CanyonElko, NV2012-10-01 00:00:002016-04-26 00:00:00Portal, 15′ x 15′ Development, Establish Surface Infrastructure, Longhole stoping, limited cut and fill, CRF16800769730660230
Gullsil, LLCDiamond MineEureka, NV2015-09-14 00:00:002016-01-15 00:00:00Open historic portal, rehab 1,500′ of 4′ x 6′ tunnel000
Atna ResourcesPinsonHumboldt County, NV2014-05-20 00:00:002015-12-31 00:00:0015′ x 15′ Development, 13′ x 15′ cut and fill, limited long hole stoping, CRF backfill and Cubex definition drilling34007500062000
Juniper Mining, LLCGolden ChestMurray, Idaho2014-07-01 00:00:002015-10-11 00:00:0013′ x 15′ Development, Drift & Fill Mining, CRF Backfill, Narrow Vein 61595600039783
Waterton Global Mining Co.HollisterMidas, NV2014-08-11 00:00:002015-07-31 00:00:0016′ x 16′ Exploration Drive, Miscellaneous Rehab of existing workings.129200
Mojave Desert MineralsGold RoadOatman, AZ2014-10-01 00:00:002015-01-23 00:00:00Haulage Only Contract0200000
Newmont Mining Corp.Leeville MiningCarlin, NV2005-06-01 00:00:002014-06-12 00:00:0015′ x 17′ Development, 15′ x 15′, 15′ x 20′ Ore dev., LHS, Shotcrete8300018500004500000
Stockpile Reserves LLCFencemaker MinePershing Co., NV2013-07-01 00:00:002014-03-31 00:00:00Rehabilitate existing portal and workings, extract new ore14200
Curtis TungstenAndrew MineSan Gabriel Mtns, California2013-11-01 00:00:002014-01-31 00:00:00Rehabilitate exisiting mine, drive secondary escape, stoping706000
Newmont Mining Corp.Carlin East / Full HouseCarlin, NV2009-02-01 00:00:002013-12-31 00:00:00Combination LHS and underhand drift and fill to finish the mine25000389100410000
Veris Gold CorporationSSXElko, NV2012-06-25 00:00:002013-05-31 00:00:0015′ x 15′ Development, Drift & Fill Mining, CRF, Shotcrete35008500056000
Newmont Mining Corp.VistaGolconda, NV2011-02-15 00:00:002013-04-30 00:00:00Two Portals, 16′ x 16′ Exploration Drive, Diamond Drill Stations1630090000
Newmont Mining Corp.MidasMidas, NV2010-01-15 00:00:002013-03-22 00:00:0016′ x 17′, 15′ x 15′, and 9′ x 12′ Development, 7′ x 12′ Cut & Fill, Cellular Concrete Backfill27700450002000
Klondex Gold & Silver Mining CompanyFire CreekCrescent Valley, NV2010-10-01 00:00:002013-01-20 00:00:00Construct surface facilities, portal, exploration decline.5000
Newmont Mining Corp.Pete BajoCarlin, NV2010-11-15 00:00:002012-12-31 00:00:00Two Portals, 16′ x 16′ Development, Drift & Fill Mining, (As of 12/12)20300323000313000
Highlands, LLCButte HighlandsButte, MT2010-01-01 00:00:002012-06-01 00:00:0014′ x 16′ Development, Drill Stations, Exploration Project. Assist drilling effort while on stand-by.4500