2 edition of Surface fracture development over longwall panels in south-central West Virginia found in the catalog.
Surface fracture development over longwall panels in south-central West Virginia
David K. Ingram
|Statement||by David K. Ingram.|
|Series||Report of investigations (United States. Bureau of Mines) -- 9242.|
|LC Classifications||USBMRI#9242 1989|
|The Physical Object|
|Pagination||18 p. :|
|Number of Pages||18|
|LC Control Number||89-600002|
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Surface fracture development over longwall panels in south-central West Virginia. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines,  (OCoLC) "The development of large open surface fractures over mined-out coal longwall panels is the focus of this U.S. Bureau of Mines report.
The research concentrates on defining the fracture characteristics and their controlling variables. The investigation was conducted at two mines in south-central West : David K. Ingram.
Surface fracture development over longwall panels in south-central West Virginia / (Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, ), by David K.
Ingram (page images at HathiTrust) Effects of abandoned multiple seam workings on a longwall in Virginia / (Pgh. The development of large open-surface fractures over mined-out coal longwall panels is the focus of this U.S.
Bureau of Mines report. The research concentrates on defining the fracture characteristics and their controlling variables. The investigation was conducted at two mines in south-central West Virginia.
Surface fracture development over longwall panels in south-central West Virginia Personal Author: Ingram, David K. Corporate Authors: United States Bureau of Mines. Published Date: Series: Report of investigations (United States.
Cited by: Surface fracture development over longwall panels in south-central Wes David K. Ingram Read. Raleigh County mine deaths, Wood, Jim Read. Raleigh County, West Virginia, census annotated Ronald R. Turner Read. Mine subsidences, Soil surveys, Soils, West Virginia, Accessible book, Boone County.
Investigation of dust sources and control technology for longwall plow operations / (Pittsburgh, Pa.: U.S. Dept. of the Interior, Bureau of Mines, ), by John J. McClelland and Robert A. Jankowski (page images at HathiTrust) Surface subsidence over longwall panels in the western United States: final results at the Deer Creek Mine, Utah / (Pgh.
The development of large open surface fractures over mined-out coal longwall panels is the focus of this U.S. Bureau of Mines report. The research concentrates on defining the fracture. Important documentary compilations of Virginia caves by McGill (), Douglas (), and Holsinger () appeared over the years, along with William Daviesâ€™ â€œCaverns of West Virginia.â€ In January ofthe National Speleological Society (NSS) was founded in nearby Washington, D.C.
by cavers who were very active in the. Electronic Engineering and Computer Science Surface-fracture development over longwall panels in south-central West Virginia. spatial variability of the phenological development at. Search the history of over billion web pages on the Internet.
Full text of "Subsidence information for underground mines-literature assessment and annotated bibliography" See other formats. Search the history of over billion web pages on the Internet. search Search the Wayback Machine. Featured texts All Books All Texts latest This Just In Full text of "Annual report to the Board of Natural Resources and Conservation" See other formats.
Fractures and fracture zones are developed originally by geologic processes and later by fracturing associated with subsidence of rocks overlying the mine openings. The natural fractures are encountered while driving main haulage ways, and while establishing entries and cross cuts during the development of longwall panels for mining.
South Central Zone, Hyderabad. had been especially rapid in the second half of the last century and the mechanization of unit operations led to the development of Longwall technology with the concept of mass production in coal mining industry. study of overlying strata behaviour upto the height of to m over the longwall panels.5/5(1).
U.S. oil output, which has seen rapid increases over the last five years thanks to the development of huge shale resources by "fracking", is expected to log much more modest supply growth in "Total U.S.
liquids production is expected to grow bybpd, just one third of the growth ofbpd expected this year," it said. In the case of open-pit mining, these are often on a large scale and in themselves make a significant visual impact on the environment, although some large open-pit mines are located in out of the way areas of low population density such as the arid west of the United States or northern Chile (Fig.
Packed with articles on both technical and broader topics, Timber is the annual publication of the Timber Research and Development Association (TRADA). The edition includes contributed. This is because it is difficult to maintain the stability of a 1,m-high rock slope and it becomes expensive to haul the ore over large dis-tances to the surface.
Two examples of this situation are the Chuquicamata (Chile) and Bingham Canyon (United States) 5/5(1). Sequence stratigraphy, paleoclimate, and tectonics of coal-bearing strata. SciTech Connect.
Jack C. Pashin; Robert A. Gastaldo. The origin of coal-bearing strata has been debated vigorously for more than a century, and with the emergence of coalbed methane as a major energy resource and the possibility of sequestering greenhouse gas in coal, this debate has never.
The U.S. Geological Survey, in cooperation with the Texas Water Development Board, used surface geophysical methods at the Texas A&M University Brazos River Hydrologic Field Research Site near College Station, Texas, in a pilot study, to characterize the hydrostratigraphic properties of the Brazos River alluvium aquifer and determine the.
A Constitutional Analysis of the Surface Owner Consent Provisions in the Tennessee Surface Mining Law and the West Virginia Oil and Gas Conservation Act, James M. O'Brien PDF A content analysis of an educational journal in the United Arab Emirates to evaluate indigenous elements: Toward building an indigenous knowledge base to inform.Englund et al.
() noted that sulfur in the Pottsville Group Pocahontas No. 3 coal in southern West Virginia and western Virginia was highest at the margins .ANSI Z Library of Congress Cataloging-in-Publication Data Scamehorn, H.
Lee (Howard Lee), – High altitude energy: a history of fossil fuels in Colorado / Lee Scamehorn. p. cm. — (Mining the American West) Includes bibliographical references and index.