000			01255cam a22002771 4500
001			gs 56000164
003			DLC
005			20260227111404.0
008			761028s1956 dcuab b f000 0 eng c
010			_ags 56000164
035			_a(OCoLC)2536838
040			_aU.S. Geol. Survey Library _cNhD _dISS _dDLC
050	0	0	_aQE75 _b.P9 no. 284
051			_aQE203.H3 _bS5
086	0		_aI 19.16:284
100	1		_aSimons, Frank S. _q(Frank Stanton), _d1917-
245	1	0	_aGeology and ore deposits of the Zimápán mining district, _bState of Hidalgo, Mexico, _cby Frank S. Simons and Eduardo Mapes V. Prepared in cooperation with the Instituto Nacional para la Investigación de Recursos Minerales of Mexico, under the auspices of the Technical Cooperation Administration of the Dept. of State.
260			_aWashington, _bU.S. Govt. Print. Off., _c1956.
300			_avi, 128 p. _billus., maps, (part fold., part col.) _c29 cm.
410	2	0	_aGeological Survey (U.S.). _tProfessional paper _v284
500			_aPart of illustrative matter in pocket.
504			_aBibliography: p. 123-124.
650		0	_aGeology _zMexico _zHidalgo (State).
650		0	_aMines and mineral resources _zMexico _zHidalgo (State).
700	1		_aMapes Vázquez, Eduardo, _ejoint author.
999			_c29065 _d29065