IQ4 THE JOHN CRERAR LIBRARY 



Lock, Charles G. Warnford. 1622.340900 



4414 Practical gold-mining: a comprehensive treatise on the origin and 

 occurrence of gold-bearing gravels, rocks, and ores, and the meth- 

 ods by which the gold is extracted. xvi,788 p. 271 il. 8 pi. Q. 

 London: E. & F. N. Spon, 1889. 



Contains a bibliography of gold-mining. 



Reyer, Eduard. 553-45 Oioo 



Zinn. Eine geologisch-montanistisch-historische Monographic. 

 iv,248 p. il. O. Berlin: G. Reimer, 1881. 



Contains a bibliography. 



Pennsylvania. Second Geological Survey. 557.48 N6oo 



1478 Annual report for 1886. 4 vol. paged continuously; vol. I : xiv, 

 [2], 1-573 p.; vol. 2: viii,[2],575-9i8 p.; vol. 3 : ix,[i],9i9- 

 1329 p.; vol. 4: xi, 133 1-1636 p. il. pi. maps; 7 sheets of plates, 

 maps, tables in pockets. Atlas in 2 portfolios. O. Harrisburg 

 1887. 



Contents: Parti. D'Invilliers, E. V. Report on the Pittsburgh coal region. Taylor, 

 S. Report on the general mining methods of the Pittsburgh region. Humphreys, A. 

 N. Report on the mining methods of the Westmoreland Coal Company. Lesquereux, 

 L. Report on the character and distribution of palaeozoic plants. Part II. Carll, J. F. 

 Report on the oil and gas regions. Phillips, F. C. Report on the composition and fuel- 

 value of natural gas. A list of publications relating to petroleum. Part in. Hill, F. A. 

 Report on the anthracite region. With atlas. Part iv. Winslow, A. The Lehigh River 

 section. Hill, F. A. The Lehigh paint ore mines. D'Invilliers, E. V. The iron ore 

 mines and limestone quarries of the Cumberland-Lebanon valley. Rand, T. D. The 

 serpentine ranges of Radnor township, Delaware county. Merion, L. Montgomery 

 county. 



Veith, Alexander. 660.2 M202 



14447 j} as jrrdol (Petroleum) und seine Verarbeitung. Gewinnung, 

 Verarbeitung, Untersuchung, Verwendung und Eigenschaften des 

 Erdoles. x,623,[i] p. 365 il. [In BOLLEY, P. A., ed. Handbuch 

 der chemischen Technologic, vol. I.] Braunschweig 1892. 



016.554 

 GEOLOGY OF EUROPE 



20024 



Socie'te* de 1'industrie mine*rale. 622.06482 i v.o 



Table generate des matieres contenues dans les 1 5 tomes formant 

 la 2 me serie [du Bulletin] (1871-1886), suivie d'une table alpha- 

 betique des auteurs avec 1'indication de leurs travaux. 67 p. O. 

 Saint-fitienne 1887. 



No title-page. Title taken from inside cover. 



