CA399358A - Drill hole surveying apparatus - Google Patents

Drill hole surveying apparatus

Info

Publication number
CA399358A
CA399358A CA399358A CA399358DA CA399358A CA 399358 A CA399358 A CA 399358A CA 399358 A CA399358 A CA 399358A CA 399358D A CA399358D A CA 399358DA CA 399358 A CA399358 A CA 399358A
Authority
CA
Canada
Prior art keywords
drill hole
surveying apparatus
hole surveying
drill
surveying
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
CA399358A
Other languages
French (fr)
Inventor
Davis Elliott Raymond
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.)
Lane Wells Co
Original Assignee
Lane Wells Co
Publication date
Application granted granted Critical
Publication of CA399358A publication Critical patent/CA399358A/en
Expired legal-status Critical Current

Links

CA399358A Drill hole surveying apparatus Expired CA399358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA399358T

Publications (1)

Publication Number Publication Date
CA399358A true CA399358A (en) 1941-09-16

Family

ID=35409818

Family Applications (1)

Application Number Title Priority Date Filing Date
CA399358A Expired CA399358A (en) Drill hole surveying apparatus

Country Status (1)

Country Link
CA (1) CA399358A (en)

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