| 000 | 00357nam a22001337a 4500 | ||
|---|---|---|---|
| 999 |
_c63115 _d63115 |
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| 005 | 20201117112023.0 | ||
| 008 | 201117b ||||| |||| 00| 0 eng d | ||
| 082 | _a625.78 P69C | ||
| 100 | _aPortland Cement Association | ||
| 245 | _aConcrete Culverts and Conduits | ||
| 260 |
_aillinois _bPortland Cement Association _c1978 |
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| 300 | _ap.53 | ||
| 942 | _cDBK | ||