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A Technical and Economic Study of Candidate Underground Mining Systems for Deep, Thick Oil Shale Deposits, Phase I Report.

Authors
Hoskins-WN; Wright-FD; Tobie-RL; Et Al
Source
NTIS: PB 249 884 Available for Reference At Bureau Libraries :331 pages
Link
NIOSHTIC No.
10001896
Abstract
The contractor investigated and evaluated all potentially feasible methods for large-scale mining of the thick oil shale deposits in the deeper central part of the Piceance Creek Basin of northwestern Colorado. Technical and economic data were obtained, preliminary layouts and designs were prepared, and pertinent operating features and cost data were analyzed and evaluated. The relative merits of each mining method were defined and the following candidates were selected as most promising for detailed design and analysis under Phase II of the contract: (1) chamber and pillar mining with spent shale backfill. (2) Sublevel stoping wiht spent shale backfill. (3) Sub-level stoping with full subsidence. (4) Block caving mining using load-haul-dumps.
Publication Date
19750101
Document Type
CP; Final Contract Report;
Fiscal Year
1975
NTIS Accession No.
PB-249884
NTIS Price
A16
Identifying No.
OFR 23-76
NIOSH Division
DRC;
Source Name
NTIS: PB 249 884 Available for Reference At Bureau Libraries
State
CO;
Performing Organization
Cameron Engineers, Inc.
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