Results 71 to 80 of about 658,079 (225)

Iron and Manganese Biogeochemistry in Forested Coal Mine Spoil

open access: yesSoil Systems, 2019
Abandoned mine lands continue to serve as non-point sources of acid and metal contamination to water bodies long after mining operations have ended. Although soils formed from abandoned mine spoil can support forest vegetation, as observed throughout the
Elizabeth Herndon   +3 more
doaj   +1 more source

Stickers: Push the Appalachian National Forest Reserve

open access: yes, 2015
The Appalachian National Park Association carried out a wide-ranging promotional campaign throughout the eastern U.S. Within the first few months of its operation, the Association printed these colorful stickers with the motto, “Push the Appalachian ...
Appalachian National Park Association;
core  

Numerical Investigation into Evolution of Crack and Stress in Residual Coal Pillars under the Influence of Longwall Mining of the Adjacent Underlying Coal Seam

open access: yesShock and Vibration, 2019
Longwall mining of the adjacent coal seam with the presence of residual coal pillars overlying the seam can result in abnormal strata pressure and severe overburden failure, which poses a significant threat to mining safety.
Xin Wang   +3 more
doaj   +1 more source

Recognizing Vertical and Lateral Variability in Terrestrial Landscapes: A Case Study from the Paleosols of the Late Pennsylvanian Casselman Formation (Conemaugh Group) Southeast Ohio, USA

open access: yesGeosciences, 2012
The Upper Pennsylvanian Casselman Formation of southeastern Ohio contains four distinct paleosol types that formed in alluvial systems within the distal Appalachian foreland basin.
Daniel Hembree, Angeline Catena
doaj   +1 more source

Geothermal Energy Potential in Low Enthalpy Areas as a Future Energy Resource: Identifying Feasible Targets, Quebec, Canada, Study Case

open access: yesResources, 2015
Heat flow of the sedimentary succession of the Eastern Canada Sedimentary Basins varies from 40 mW/m2 close to the exposed shield in the north to high 60–70 mW/m2 in the southwest–northeast St. Lawrence corridor. As high fluid flow rates are required for
Jacek Majorowicz, Vasile Minea
doaj   +1 more source

Assessing Unconventional Oil and Gas Exposure in the Appalachian Basin: Comparison of Exposure Surrogates and Residential Drinking Water Measurements. [PDF]

open access: yesEnviron Sci Technol, 2022
Clark CJ   +20 more
europepmc   +1 more source

An Appalachian curriculum.

open access: yes
Cover title."This work, originally published by the Appalachian Consortium Press, has been reissued in an edition unaltered from its original publication.
Thompson, Diane Grant,author.   +3 more
core   +1 more source

Memorandum to Appalachian National Park Association

open access: yes, 2015
This memorandum from Chase Ambler to members of the Appalachian National Park Association is chiding them for not being more aggressively in sending out promotional literature.
Ambler, Chase P., 1865-1932;
core  

Speech in support of an Appalachian National Park

open access: yes, 2015
This 16-page transcript is a speech possibly made by Honorable J. W. Caldwell at a convention held in October 1902, sponsored by the Appalachian National Park Association and the Asheville Board of Trade.
unknown;
core   +1 more source

Geologic characteristics, exploration and production progress of shale oil and gas in the United States: An overview

open access: yesPetroleum Exploration and Development
We present a systematic summary of the geological characteristics, exploration and development history and current state of shale oil and gas in the United States.
T P MCMAHON   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy