224 BULLETIN 4'_>, UNITED STATES NATIONAL MUSEUM. 



(3) Shows nearly the same background as No. 59006. A miner is drilling a hole in 

 the 7-foot bench for a blast with a modern patent drill and by the light of the 

 safety lamp, various tools being grouped about him. (5900 3.) 



(4) Shows on the right in the foreground the corner of a pillar of coal, which ex- 

 hibits in great perfection the banded structure of the formation. Near the center are 

 two miners in characteristic positions at work removing the pile of coal that has been 

 thrown down by the blast in robbing tlie mine. At the left, in the background, is the 

 face of the breast, which has been squeezed or crnshed by pressure, as is shown by 

 the confused appearance of the strata. (59007.) 



(5) Electric-light plant used for photographing, located at the intersection of the 

 long slant gangway and east lift. (.59010.; 



The following four specimens are from the Primrose vein, Primrose 



Lauding, 1,575 feet from the surface : 



The average composition of this coal is : 



Per cent. 



Water 3.541 



Volatile matter 3.716 



Fixed carbon 81.590 



Snlphnr 0.499 



Ash 10.654 



(1) Coal, red ash. (59090.) i (3) Slate. (.59093.) 



(2) Bony coal. (59094.) I (4) Bastard slate. (5909?.) 



The following are general illustrations of anthracite : 



(1) Coal, white ash. Taken from Mammoth Vein, Diamond Landing, 1,131 feet 

 below the surface. (.59091.) 



(2) White ash, from an anticlinal axis near the surface. (59088.) 



(3) Sandstone, from an anticlinal axis near the surface. (59087.) 



(4) View of a breach in the Kaska- William Colliery, Schuylkill Valley Basin, east 

 end of Mine Hill; elevation, 1,012 feet above tide at Philadelphia. Anticlinal axis, 

 showing coal and rock. (59020.) 



(5) Coal, red ash, taken from the top of a small anticlinal. Shows the curva- 

 ture of the formation by the outline and cleavage of the specimen; about 50 feet 

 below the surface. Palmer Vein Colliery, New Philadelphia, Schuylkill County, 

 Pennsylvania. (59089.) 



(6) Iridescent anthracite, commonly called peacock coal. Ross Vein Mine, Wilkes- 

 Barre, Luzerne County, Pennsylvania. (59085.) 



(7) Coal, white ash. A cube 10 by 10 inches, taken from the Mammoth Vein, 

 Keeley Run Colliery, Shenandoah, Schuylkill County, Pennsylvania. (59110.) 



(8) Coal. A cube 4 by 4 by 4 inches, taken from the Mammoth Vein (Top Split); 

 contents 64 cubic inches ; weight 3}J pounds, equiv.ilent to ?,574^^2- pounds or 1.149 

 tons per cubic yard. Hammond Colliery, Girardville, Schuylkill County, Pennsylva- 

 nia. (59109.) 



(9) Model of the Panther Creek Coal Basin, showing the outline, area, aud form of 

 the coal bed and the portions which have been worked out. Prepared under the 

 directions of Dr. Chas. A. Ashburner. (59980.) 



As an evidence that the miner is artistic, and to show the adaptabil- 

 ity of anthracite coal for art objects, three ornaments cut from it are 

 shown. The lady's slipper is particularly effective as an art product. 



(1) Lady's slipper, made by a miner from anthracite coal. Kohinoor Colliery 

 Shenandoah, Schuylkill County, Pennsylvania., (59117.) 



(2) Caster and cruets, cnt by a tniner from anthracite coal. Ellangowan Colliery, 

 Shenandoah, Scliuylkill County, Pennsylvania. (59066.) 



(3) Miner's brogau. (59108.) 



