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Coal Reserves of the Boltsfork Quadrangle, Kentucky: A Coal Recoverability Study

Description: Abstract: "This report presents a U.S. Bureau of Mines study that incorporates coal mining factors, cola recovery factors, and economic factors into the definition of an economically recoverable coal resource. The relationship between these factors to the Energy Information Administration's estimate of U.S. coal resources--the "Demonstrated Reserve Base"--is discussed. The Boltsfork 7 1/2-minute quadrangle in eastern Kentucky was selected as the stud area. Results indicate that of the original 280.2 M tons of resource in the quadrangle, only 99.8 M tons (35.6%) is recoverable at a mining cost of $25 per ton or less" (p. 1).
Date: 1994
Creator: Rohrbacher, Timothy J.; Teeters, Dale D.; Sullivan, Gerald L. & Osmonson, Lee M.
Location: None
open access

Unmanned Aircraft Systems Roadmap: [Fiscal Years] 2005-2030

Description: Biennial report describing progress and changes in unmanned systems technology used by the military, with a 25-year strategic plan to describe goals for the continued development, production, testing, training, operation, and sustainment of the technologies. "The overarching goal of this Roadmap is to guide the Department toward a logical, systematic migration of UAS mission capabilities focused on the most urgent warfighter needs" (Memorandum).
Date: 2005
Creator: United States. Department of Defense.
open access

Unmanned Systems Roadmap: [Fiscal Years] 2007-2032

Description: Biennial report describing progress and changes in unmanned systems technology used by the military, with a 25-year strategic plan to describe goals for the continued development, production, testing, training, operation, and sustainment of the technologies. "This is the first edition of the integrated Office of the Secretary of Defense Unmanned Systems Roadmap (2007-2032) which includes Unmanned Aircraft Systems, Unmanned Ground Systems, and Unmanned Maritime Systems. This roadmap provides Defense-wide vision for unmanned systems and related technologies" (Memorandum).
Date: 2007
Creator: United States. Department of Defense.
open access

Unmanned Systems Integrated Roadmap: Fiscal Years 2009-2034

Description: Biennial report describing progress and changes in unmanned systems technology used by the military, with a 25-year strategic plan to describe goals for the continued development, production, testing, training, operation, and sustainment of the technologies. "This is the second edition of the integrated Office of the Secretary of Defense Unmanned Systems Roadmap (2009-2034) that includes Unmanned Aircraft systems, Unmanned Ground systems and Unmanned Maritime Systems. This Roadmap provides Defense-wide vision for unmanned systems and related technologies" (p. iii).
Date: April 20, 2009
Creator: United States. Department of Defense.
open access

Unmanned Campaign Framework

Description: Document describing progress and changes in unmanned systems technology used by the military, with a strategic plan to describe goals for the continued development, production, testing, training, operation, and sustainment of the technologies.
Date: March 16, 2021
Creator: United States. Department of the Navy.
open access

Report on the Investigation Into Russian Interference in the 2016 Presidential Election [Redacted Version]

Description: Final report documenting the investigation of Russian interfefence in the 2016 U.S. presidential election, and outlining evidence with source citations. It is organized in two volumes: "Volume I describes the facutal results of the Special Counsel's investigation of Russia's interference in the 2016 presidential election and its interactions with the Trump Campaign [...] Volume II addresses the President's actions towards the FBI's investigation [...] and related matters, and his actions towards the Special Counsel's investigation" (pp. 2-3).
Date: March 2019
Creator: Mueller, Robert S., III, 1944-
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