000			01988nam a2200349Ia 4500
001			269309
003			OCoLC
005			20160527194017.0
007			co cg---------
008			030128s2002 vau f m f eng c
040			_aGPO _cGPO _dOCLCQ
042			_apcc
049			_aPUXA
074			_a0624
086	0		_aI 19.16:1635/CD
092	0		_aR _a691.2 _bE271 _bCD _222
245	0	4	_aThe effect of selected cleaning techniques on Berkshire Lee marble _h[electronic resource] _ba scientific study at Philadelphia City Hall _cby V.G. Mossotti ... [et al.].
246	3	0	_aScientific study at Philadelphia City Hall
260			_a[Reston, Va.] _bU.S. Dept of the Interior, U.S. Geological Survey _c2002.
300			_a1 CD-ROM _c4 3/4 in.
490	1		_aProfessional paper _v1635 _2Local _9154166
500			_aTitle from disc label.
500			_aShipping list no.: 2003-0003-E.
520			_aA scientific investigation of the effects of eight different cleaning techniques on the Berkshire Lee marble component of the facade of the East Center Pavilion at Philadelphia City Hall. The eight cleaning techniques evaluated were power wash, misting, gommage, combination, Armax, JOS, laser, and dry ice.
538			_aSystem requirements for Macintosh: Macintosh PowerPC processor; MAC OS software version 8.6, 9.0.4, 9.1, 9.2, or OS X (Some features of Acrobat 5.0 may not be available for OS 8.6 and OS X); 64MB RAM.
538			_aSystem requirements for Windows: Intel Pentium or equivalent processor; Microsoft Windows 95 OSR 2.0, Windows 98 SE, Windows Millennium, Windows NT 4.0 with Service Pack 5, or Windows 2000 or Windows XP; 64MB of RAM; Adobe Acrobat Reader (included on disc); CD-ROM drive.
650		0	_aBuilding stones _xCleaning. _2Local _966568
650		0	_aMarble _xCleaning. _2Local _9130739
700	1		_aMossotti, V. G. _2Local _9139354
710	2		_aU.S. Geological Survey Library. _2Local _9182291
830		0	_aU.S. Geological Survey professional paper _v1635.
999			_c194412 _d194412