000 003150000a22001210004500
245 _aPit and quarry textbook
110 _aSand and Gravel Association of Great Britain
260 _aLondon
_bMacDonald
_c1967
300 _a239p. : 239p. : ill., photos
080 _a622.362
_bS3
041 _aEN
942 _cBK
999 _c103490
_d103490