00000nam 2200000za 4500 9.840802 CaOODSP 20221107151930 cr ||||||||||| 170801s1971 oncad ob f000 0 eng d CaOODSP eng n-cn--- M38-8/103E-PDF M38-8/103 Design criteria for multi-wire borehole extensometer systems [electronic resource] / D.G.F. Hedley. Underground measurements in a steeply dipping orebody / D.G.F. Hedley ... [et al.]. Underground measurements in a steeply dipping orebody Ottawa : Information Canada, 1971. iii, 31 p. ; p. 105-125 : charts, ill. Reprint series ; RS 103 Cover title. "Reprinted from Proceedings of the First Canadian Symposium on Mining Surveying and Rock Deformation Measurements, 1969, Fredericton, pp. 349-377 [...]." "Reprinted from Proceedings of the 5th Canadian Rock Mechanics Symposium, Toronto, December, pp. 102-125 [...]." Historical publication digitized from print 2017 [by Natural Resources Canada]. Includes bibliographical references. gccst Mining industry gccst Rocks Hedley, D. G. F. Canada. Natural Resources Canada. Canada. Department of Energy, Mines and Resources. Canada. Mines Branch. Reprint series - Dept. of Energy, Mines and Resources, Mines Branch ; RS 103 (CaOODSP)9.834843 PDF 3.62 MB https://publications.gc.ca/collections/collection_2017/rncan-nrcan/M38-8/M38-8-103-eng.pdf 300182