Хязгааргүй брэндийн үнэ цэнэ
Sofol-ийн хийж байгаа зүйл бол хэрэглэгчдэд хэмнэлттэй, тохиромжтой үйлдвэрлэлийн шугамыг тохируулах, брэндийн үнэ цэнийг бий болгох явдал юм.
Frac sand mining, or silica sand mining, expanded rapidly in rural Wisconsin in the early 2000s. Some rural residents embraced the new jobs and …
frac sand facility was air quality (38%), the containment of chemicals, waste and sand piles (23%), and water quality (19%) shown in Graph 1. Many citizens were not reassured by …
EAU CLAIRE — After more than a decade of alternating boom-and-bust cycles, the regional frac sand industry appears to be stabilizing — at least for now.
A long drive to Eau Claire revealed rolling farmland, wooded hills, and prodigious wetlands home to waterfowl and the largest cranberry industry in the nation.
Trempealeau County, in western Wisconsin, recently voted to temporarily halt permitting of additional frac sand facilities so it could study potential health effects. A …
WHITEHALL, Wis. (AP) - A company that was once one of Wisconsin's biggest producers of frack sand is liquidating one of four state mines. Hi-Crush …
Frac sand is a type of sand perfect for fracking. Characteristics of frac sand include: spherical shape, high silica (quartz) content, hardness (can withstand high pressure), …
The Nonmetallic Mining program seeks to rehabilitate mining land while also recognizing the importance of the mining industry to the county's economic and social well-being. By …