000			01773cam a22003131 4500
001			gs 23000260
003			DLC
005			20260227111327.0
008			870529s1923 mduabf 000 0 eng c
010			_ags 23000260
040			_aU.S. Geol. Survey. Libr./ICU _cICU _dICU _dDLC
043			_an-us-md
050	0	0	_aQE121 _b.A215 vol. 8
051			_aQE661 _b.M35
110	2		_aMaryland Geological Survey.
245	1	0	_aSilurian.
260			_aBaltimore, _bThe Johns Hopkins press, _c1923.
300			_a794 p. _billus., LXVII pl. (incl. fold. col. map; fold. col. diagr.) maps, tables. _c26 cm.
500			_aAt head of title: Maryland Geological survey.
505	0		_aGeologic relations and geographic distribution of the Silurian strata of Maryland, by C.K. Swartz.--Stratigraphic and paleontologic relations of the Silurian strata of Maryland, by C.K. Swartz.--Sections of the Rose Hill and McKenzie formations, by W.F. Prouty and C.K. Swartz.--Sections of the Wills Creek and Tonoloway formations, by C.K. Swartz.--Correlation of the Silurian formations of Maryland with those of other areas, by C.K. Swartz.--American Silurian formations, by E.O. Ulrich and R.S. Bassler.--Paleozoic ostracoda: their morphology, classification, and occurences, by E.O. Ulrich and R.S. Bassler.--Systematic paleontology of Silurian deposits, by C.K. Swartz, W.F. Prouty, E.O. Ulrich and R.S. Bassler.
650		0	_aGeology _zMaryland.
650		0	_aPaleontology _zMaryland.
650		0	_aGeology, Stratigraphic _ySilurian.
650		0	_aPaleontology _ySilurian.
700	1		_aSwartz, Charles Kephart, _d1861-
700	1		_aProuty, William F. _q(William Frederick), _d1879-1949.
700	1		_aUlrich, Edward Oscar, _d1857-1944.
700	1		_aBassler, Ray S. _q(Ray Smith), _d1878-
999			_c26267 _d26267