000			01294nam a22003017a 4500
710			_aGeological Survey (U.S.) _9227708
999			_c257215 _d257215
001			000986764
003			OSt
005			20200624062631.0
008			780204s1969 dcua b f000 0 eng d
035			_a(OCoLC)3603803
040			_aCSU _beng _cCSU _dOCL
049			_aBiblioteca Encarnacion Valdes
086			_aI 19.3:1274-O
092			_aI 19.3:1274-O
100			_965429 _aBriggs, Reginald Peter _d1929 _eauthor
245	1	0	_aChanges in Stratigraphic nomenclature in the Cretaceous system, east-central Puerto Rico _cby Reginald P. Brigs
260			_aWhashington _bU.S.Govt. Print. Off. _c1969
300			_aiii, 31 pages _billustrations _c24 cm.
336			_2rdacontent _atext _btxt
337			_2rdamedia _aunmediated _bn
338			_2rdacarrier _avolume _bnc
500			_aAs of 07/01/2016, GPO could not validate the distribution status of this little for the FDLP. "Prepared in cooperation with the Commonwealth of Puerto Rico Economic Development Administration, Industrial Research Department.
504			_aIncludes bibliographical references (pages 29-31)
650		0	_9101970 _aGeology, Stratigraphic _yCretaceous
651		0	_2fast _9294023 _aPuerto Rico
942			_2ddc _c6 _hI 19.3:1274-O _m1274-O _n0