000 00611cam a22001811 4500
082 _a624.193
_bRIC
_cL-16, P-1.
100 1 _aRichardson, Harold W.
_943349
245 1 0 _aPractical tunnel driving,
_cby Harold W. Richardson ... and Robert S. Mayo ...
250 _a1st ed.
260 _aNew York,
_aLondon,
_bMcGraw-Hill Book Company, inc.,
_c1941.
300 _axviii, 436 p. incl. front., illus., diagrs.
_c24 cm.
500 _aTable on lining-paper.
526 _a0
_b0
_c0
_d624_193000000000000_RIC
650 0 _aMCE
_9379
650 0 _aTunneling.
_924742
700 1 _aMayo, R. S.,
_943350
942 _2ddc
_cBK
999 _c547168
_d547168