Specifications for Selected Hydraulic-Powered Roof Supports: With a Methods to Estimate Support Requirement for Longwalls

Description:

Report issued by the Bureau of Mines discussing hydraulic-powered roof support specifications. As stated in the abstract, "this report presents observations made by Bureau engineers regarding hydraulic-powered roof supports that are currently being used or have been used on nearly all operating long-walls in the United States" (p. 1). This report includes tables, and illustrations.

Creator(s):
Creation Date: September 1969
Partner(s):
UNT Libraries Government Documents Department
Collection(s):
Technical Report Archive and Image Library
Usage:
Total Uses: 130
Past 30 days: 24
Yesterday: 0
Creator (Author):
Creator (Author):
Creator (Author):
Publisher Info:
Publisher Name: U.S. Bureau of Mines
Publisher Info: U.S. Dept. of the Interior, Bureau of Mines
Place of Publication: Washington D.C.
Date(s):
  • Creation: September 1969
Description:

Report issued by the Bureau of Mines discussing hydraulic-powered roof support specifications. As stated in the abstract, "this report presents observations made by Bureau engineers regarding hydraulic-powered roof supports that are currently being used or have been used on nearly all operating long-walls in the United States" (p. 1). This report includes tables, and illustrations.

Physical Description:

15 p. : ill. ; 27 cm.

Language(s):
Subject(s):
Keyword(s): roof supports | hydraulics
Contributor(s):
Series Title: Information circular (United States. Bureau of Mines)
Series Title: United States Bureau of Mines Reports
Added Title: United States Bureau of Mines Information Circular 8424
Partner:
UNT Libraries Government Documents Department
Collection:
Technical Report Archive and Image Library
Identifier:
  • SUDOC: I 28.27:8424
  • OCLC: 16101653 |
  • REP-NO: I. C. 8424
  • ARK: ark:/67531/metadc67143
Resource Type: Report
Format: Text