CA762682A - Mine roof supports and the operation thereof - Google Patents

Mine roof supports and the operation thereof

Info

Publication number
CA762682A
CA762682A CA762682A CA762682DA CA762682A CA 762682 A CA762682 A CA 762682A CA 762682 A CA762682 A CA 762682A CA 762682D A CA762682D A CA 762682DA CA 762682 A CA762682 A CA 762682A
Authority
CA
Canada
Prior art keywords
mine roof
roof supports
supports
mine
roof
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA762682A
Inventor
D. Allen Archelaius
Ward Richard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gullick Ltd
Original Assignee
Gullick Ltd
Publication date
Application granted granted Critical
Publication of CA762682A publication Critical patent/CA762682A/en
Expired legal-status Critical Current

Links

CA762682A Mine roof supports and the operation thereof Expired CA762682A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA762682T

Publications (1)

Publication Number Publication Date
CA762682A true CA762682A (en) 1967-07-11

Family

ID=36199815

Family Applications (1)

Application Number Title Priority Date Filing Date
CA762682A Expired CA762682A (en) Mine roof supports and the operation thereof

Country Status (1)

Country Link
CA (1) CA762682A (en)

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