| 000 | 00932cam a22002531 4500 | ||
|---|---|---|---|
| 001 | gs 14000470 | ||
| 003 | DLC | ||
| 005 | 20260227111315.0 | ||
| 008 | 780714s1913 iaua s000 0 eng c | ||
| 010 | _ags 14000470 | ||
| 035 | _a(OCoLC)4053812 | ||
| 040 |
_aU. S. Geol. survey. Library. _cGAT _dDLC |
||
| 042 | _apremarc | ||
| 050 | 0 | 0 |
_aTN939 _b.A3 |
| 100 | 1 |
_aAgg, Thomas Radford, _d1878- |
|
| 245 | 1 | 4 |
_aThe use of Iowa gravel for concrete, _cby T. R. Agg and C. S. Nichols. |
| 260 |
_aAmes, Ia., _bIowa State College of Agriculture and Mechanic Arts, _c1913. |
||
| 300 |
_a31 p. _billus., diagrs. _c22 cm. |
||
| 490 | 0 | _aBulletin 34, Engineering Experiment Station. Good Roads Section | |
| 500 | _aAt head of title: Bulletin of Iowa State College of Agriculture and Mechanic Arts, vol. XII, Dec. 1, 1913, no. 20. | ||
| 650 | 0 | _aConcrete. | |
| 650 | 0 | _aGravel. | |
| 700 | 1 |
_aNichols, Charles Sabin, _d1883- _ejoint author. |
|
| 999 |
_c25363 _d25363 |
||