590 REPORT ON NATIONAL MUSEUM, 1886. 



Sandstone. (J urboui fibrous; Hue; gray, dark streaked. Lucesco, Westuiorelaud 

 Coiiuty. J. A. Huifmau's quarry. Teutli Ceusiis, 1880. 25903. 



Carboniferous; fine; bluish gray. Derry Station, Westmoreland County. 



Loyalhanna Coal and Coke Company, Tenth Census, 1880. 25913. 



Carboniferous; buff; medium. Derry Station, Westmoreland Counjy. J. C. 



Campbell's quarry. Tenth Census, 1880. 25914. 



Carboniferous; fine; brown and brown with yellow bands. Two specimens. 



Scottdale, Westmoreland County. S. Dunmire's quarry. Tenth Census, 

 1880. 25985. 



Carboniferous; coarse; bull'. Near Uniontown, Fayette County. J. Eraser's 



quarry. Tenth .Census, 1880. 25990. 



Sub-Carboniferous; fine; light colored. Near Uuioutown, Fayette County. 



D. Shipley's quarry. Tenth Census, 1880. 25991. 



Sub-Carboniferous; fine; light reddish gray. Near Uuioutown, Fayette County. 



. D. Shipley's quarry. Tenth Census, 1880. 25992. 



Carboniferous; fine; light colored. Near Connellsville, Fayette Couutj^. 



Speer White & Co. Tenth Census, 1880. 2G059. 



Carboniferous ; medium ; light colored. Connellsville, Fayette County. C. 



Shibley's quarry. Tenth Census, 1880, 25984, 



Carbouiferous; fine; light colored. Laytou's Station, Fayette County. Speer 



White & Co. Tenth Census, 1880. 2G000. 



Carboniferous; fine ; light colored. Fayette Statiou, Fayette County. Quart-y 



of Porter Bros. Tenth Census, 1880. 20061. 



Carboniferous; fine; light drab. Somerset, Somerset County. J. McAdam's 



quarry. Tenth Census, 1880. 26109. 



Triassic; fine ; brown. Used for general building. Goldsborough, York Couulff, 



Hummelstown Brownstone Company. Tenth Census, 1880. 2.5265. 



Triassic; reddish brown. Used as above. Near Hummelstown, Dauphin 



County. Hummelstown Brownstone Company. Tenth Census, 1880. 25266. 



Triassic; fine; brown. Near Goldsborough, York County. F. Reiling's quarry. 



Tenth Census, 1880. 26283. 

 Argillaceous sandstone. Carbouiferous; fine; gray. Stoops Ferry, Allegheny 



County. U. S. Government quarry. Tenth Census, 1880. 25342. 

 Conglomerate. Devonian; coarse; light colorexl. Pottsville, Schuykill County. 



Tenth Census, 1880. 27049. 



Potsdam; coarse; friable. Fricdensburg, Berks County. Clytuer qnany 



Tenth Census, 1880. 26468. 



Potsdam ; pinkish gray ; compact. Near Pikeville, Berks Couuty. G. M. 



Keim's quarry. Tenth Census, 1880. 26469. 



Sub-Carboniferous; gray; compact. Pottsville, Schuylkill County. Tenth 



Census, 1880. 2.5782. 

 Quartzite. Devonian ; fine ; light colored. Near Altooua, Blair County. Quarry 

 of Booth & Mackey. Tenth Census, 1880. 26147. 



Potsdam; light colored ; compact and h.ard. Jackson wakl, Berks County. 



Tenth Census, 1880. 26473. 



Upper Silurian; very light colored; compact and hard. Near Huntingdon, 



Huntingdon County. S. P. Wensel's quarry. Tenth Census, 1880. 26203. 



Sandstone (nearly quartzite). Carboniferous ; blue-gray ; very coiupact and hard. 

 Near Shickshinuy, Luzerne County. Delaware, Lackawanna and Western Rail- 

 road quarry. Tenth Census, 1880. 25923. 



Slate. Lower Silurian (Hudson River). Blue-black. Slatington, Lehigh County, 

 Quarry of D. Williams, Tenth Census, 1880, 25740. 



