000 00732nam a2200217Ia 4500
999 _c25045
_d25045
005 20230525094354.0
008 170503s9999||||xx |||||||||||||| ||und||
040 _aAranzadi Liburutegia
080 _a552.523(748)
100 1 _aHosterman, John W.
_91422556
_d1923-
245 1 0 _aUnderclay deposits of Somerset and Eastern Fayette Counties, Pennsylvania /
_cBy John W. Hosterman.
260 _aWashington :
_bUnited States Givernment Printing Office,
_c1972
300 _a17 p.
300 _bil. --
336 _2isbdcontent
_aTexto (visual)
337 _2isbdmedia
_3Impreso
_asin mediaciĆ³n
490 _aGeological Survey Bulletin
490 _v1363
500 _aFecha real de registro 11-6-1973
942 _2cdu
942 _cBK
_2cdu