| 000 | 00468 a2200145 4500 | ||
|---|---|---|---|
| 010 | _a779325 | ||
| 020 | _a0395247608 | ||
| 090 |
_c8252 _d8252 |
||
| 100 | _aThomson, Betty Flanders | ||
| 245 | _aThe shaping of America's heartland (The Naturalist's America) | ||
| 260 |
_aBoston _bHoughton Mifflin Company _c1977 |
||
| 300 | _axvi, 267p. | ||
| 650 |
_aLandforms - Middle West _aBotany - Middle West - Ecology _aHydrology - Middle West |
||
| 942 |
_cBK _kGB428.M52 .T46 1977 |
||
| 999 |
_c8252 _d8252 |
||