| 000 | 01442cam a22003011 4500 | ||
|---|---|---|---|
| 001 | gs 35000001 | ||
| 003 | DLC | ||
| 005 | 20260227111339.0 | ||
| 008 | 790607s1934 ilua s000 0 eng | ||
| 010 | _ags 35000001 | ||
| 035 | _a(OCoLC)5045725 | ||
| 040 |
_aDLC _cTxCM _dDLC |
||
| 042 | _apremarc | ||
| 050 | 0 | 0 |
_aTP325 _b.I63 1934 |
| 110 | 2 | _aIllinois State Geological Survey | |
| 245 | 1 | 0 |
_aContributions to the study of coal: _bA proposed simplification of the Parr unit coal formula, _cby Gilbert Thiessen. Ash-to-mineral matter correction in coal analyses, by Gilbert Thiessen. Unit coal as a basis of coal standardization as applied to Illinois coals, by G. H. Cady and O. W. Rees. Studies of the graphical method of calculating pure coal calorific value, by Gilbert Thiessen and Frank H. Reed. |
| 260 |
_aUrbana, Illinois, _bPrinted by authority of the state of Illinois, _c1934. |
||
| 300 |
_a99 p. _billus. |
||
| 490 | 1 |
_aIts Report of investigations _vno. 32 |
|
| 500 | _aAt head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey. | ||
| 650 | 0 |
_aCoal _xAnalysis. |
|
| 650 | 0 |
_aCoal _zIllinois. |
|
| 700 | 1 |
_aThiessen, Gilbert, _d1905- |
|
| 700 | 1 |
_aCady, Gilbert H. _q(Gilbert Haven), _d1882- |
|
| 700 | 1 |
_aRees, Orin Wainwright, _d1898- |
|
| 700 | 1 |
_aReed, Frank Hynes, _d1890- |
|
| 810 | 2 |
_aIllinois State Geological Survey. _tReport of investigations _vno. 32. |
|
| 999 |
_c27157 _d27157 |
||