| 000 | 00425nam a2200109 i 4500 | ||
|---|---|---|---|
| 005 | 20260501142821.0 | ||
| 008 | 200207s1972 xx 000 0 eng d | ||
| 041 | _aeng | ||
| 100 | 1 | _aWalker, Ronald H. | |
| 245 | 1 | 0 | _aPreserving a Heritage : Final Report to the President and Congress of the National Parks Centennial Commission : Washington, D.C. / |
| 260 |
_a[Place of publication not identified] : _bpublisher not identified _c1972 |
||
| 999 |
_c4294 _d4294 |
||