Oklahoma

Dolese holds inaugural Quarry Challenge at Richards Spur Quarry in Oklahoma
Gravel truck rolls over, loses load on SH 74 in Oklahoma, closing road for hours
Railcars carrying sand derail in northern Oklahoma
21-year-old man drowns in Oklahoma rock quarry
Manufacturers News: Volvo appoints Stephen Roy president, Sales Region Americas; Superior Industries appoints Peter Patterson sales manager for central and western Canada; Hyundai appoints David Vicha district sales manager; Komatsu agrees to buy Joy Global; J.R. Merritt Controls adds J.R. Woodruff as representative
Smart Sand plans to construct $10 million rail loading terminal in Wisconsin to ship frac sand
MSHA issues 56 citations and one order to metal/non-metal mines during March special impact inspections
Frac sand producers in Wisconsin lay off employees due to downturn in oil and gas industry
Dolese Bros. spend millions to upgrade another facility in Oklahoma
Dolese Bros. open quarry after more than $20 million in upgrades
Two teens drown in Oklahoma rock quarry
MSHA issues citations to five metal/non-metal mines during impact inspections in February
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