| 000 | 00805nam a2200229Ia 4500 | ||
|---|---|---|---|
| 008 | 170503s9999||||xx |||||||||||||| ||und|| | ||
| 080 | _a551.7(083.7) | ||
| 100 | 1 | _aBRIGGS, Reginald P. | |
| 245 | 0 |
_aChanges in Stratigraphic Nomenclature in the Cretaceous System East-Central Puerto Rico / _cBy Reginald P. Briggs. |
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| 260 |
_aWashington : _bUnited States Government Printing Office, _c1969 |
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| 300 | _a31 p. -- | ||
| 336 |
_2isbdcontent _aTexto (visual) |
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| 337 |
_2isbdmedia _3Impreso _asin mediación |
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| 490 | _aGeological Survey Bulletin | ||
| 490 | _v 1274-O | ||
| 500 | _aFecha real de registro 04-08-1969 | ||
| 650 | _aNomenclatura estratigráfica | ||
| 650 | _aPuerto Rico | ||
| 942 | _2cdu | ||
| 942 | _cBK | ||
| 999 |
_c24107 _d24107 |
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