Preface XIMain directions in roof bolting technology development at DTEK minesO. Smirnov & V. PilyuginInfluence of the structure and properties of coal-bearing massif on bottom heavingV. Bondarenko, G. Symanovych, V. Chervatyuk & V. SnigurLoading mechanism of extraction mine wor…
Presenting new technologies in underground coal extraction, with special attention to mine galleries support and maintenance, load mechanism of ""massif-support system-safety system"" systems, analysis of face equipment for thin coal seams mining and substantiation of rational s…
"Award-winning journalist and cultural historian Jeff Biggers takes us on a journey into the secret history of coal mining in the American heartland. Set in the ruins of his family's strip-mined homestead in the Shawnee National Forest in southern Illinois, Biggers delivers a de…
"Award-winning journalist and cultural historian Jeff Biggers takes us on a journey into the secret history of coal mining in the American heartland. Set in the ruins of his family's strip-mined homestead in the Shawnee National Forest in southern Illinois, Biggers delivers a de…
"Award-winning journalist and cultural historian Jeff Biggers takes us on a journey into the secret history of coal mining in the American heartland. Set in the ruins of his family's strip-mined homestead in the Shawnee National Forest in southern Illinois, Biggers delivers a de…
"Award-winning journalist and cultural historian Jeff Biggers takes us on a journey into the secret history of coal mining in the American heartland. Set in the ruins of his family's strip-mined homestead in the Shawnee National Forest in southern Illinois, Biggers delivers a de…