Results 91 to 100 of about 658,079 (225)

Subsidence Analysis of the Appalachian Foreland Basin

open access: yes, 2021
The eastern North American margin was subject to a series of four Paleozoic orogenies forming the Appalachian Mountains: The Taconic (ca. 463-445 Ma), Salinic (ca. 430-420 Ma), Acadian (ca. 390-355 Ma), and Alleghanian (ca. 325-260 Ma).
Sessums, William
core   +1 more source

Minutes of Meetings of the Appalachian National Park Association

open access: yes, 2015
This 248-page bound notebook contains the minutes of the meetings of the Appalachian National Park Association and the Appalachian National Forest Reserve Association.
Appalachian National Park Association; Appalachian National Forest Reserve Association
core  

Appalachian Trail 1981

open access: yes, 1981
"March 1981."; Cover title of accompanying text: Comprehensive plan.; Spine title of accompanying text: Appalachian Trail comprehensive plan.; "Source Data: Map base is Geological Survey 1:2,500,000 scale map, dated 1972."; Accompanied by text ...

core  

Atlas of major Appalachian basin gas plays [PDF]

open access: yes, 1995
This regional study of gas reservoirs in the Appalachian basin has four main objectives: to organize all of the -as reservoirs in the Appalachian basin into unique plays based on common age, lithology, trap type and other geologic similarities; to write,
Smosna, R. A.   +5 more
core  

Delaware River: State of the Basin Report, 2008

open access: yes, 2008
The Delaware River Basin Commission State of the Basin Report 2008 is designed to serve as a benchmark of current conditions and a point of reference for gaging progress toward management goals.

core   +1 more source

Appalachian National Park Association Newspaper Clippings, 1899-1902

open access: yes, 2015
This is one of two notebooks assembled by the Appalachian National Park Association that includes documents and news clipping about the organization. The Appalachian National Park Association was formed in 1899 for the purpose of promoting the idea of a ...
Appalachian National Park Association;
core  

Co-Optimizing Energy and Ancillary Services Revenue for a Pumped Storage Hydropower System in Abandoned Underground Mines

open access: yesIEEE Access
This study presents a mixed-integer linear programming model to assess the economic performance of a conceptual 300 MW, 10-hour pumped storage hydropower system using an abandoned underground coal mine in the Appalachian Basin.
Avijit Saha, Robert S. Weissbach
doaj   +1 more source

Petition of Appalachian Mountain Club of Boston

open access: yes, 2015
Various organizations expressed support of an Appalachian National Park and a bill before Congress authorizing the purchase of four million acres for that purpose. A movement for a national park in the Appalachians was spearheaded by Appalachian National
Appalachian Mountain Club;
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Appalachian National Park Association Newspaper Clippings, 1902-1907, 1925, 1928

open access: yes, 2015
This is one of two notebooks assembled by the Appalachian National Park Association that includes documents and news clipping about the organization. The Appalachian National Park Association was formed in 1899 for the purpose of promoting the idea of a ...
Appalachian National Park Association;
core  

Site for the Appalachian National Park

open access: yes, 2015
This letter to the editor, titled “Site for the Appalachian National Park,” was sent out by the Appalachian National Park Association. The written number at the top of the printed page suggests that 500 of these were printed and distributed. The focus of
Appalachian National Park Association;
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