BUILDING AND OKNAMKNTAL STONES. 589 



Sandstone. Carboniferous; iiuc; olive. Pittsburgh. Allegheny County. T. Rourke's 

 quarry. Tenth Census, 1880. 257(58. 



Carboniferous j fine; light-gray. Johnstown, Cambria County. Quarry of 



Core & Levergood. Tenth Census, 1880. 26121. 



Carboniferous; fine; gray. Prospect, Cambria County. Cambria Iron Com- 

 pany. Tenth Census, 1880. 25922. 



Sub-Carboniferous ; fine ; light colored. Near Altoona, Blair County. Will- 



iam Myor's quarry. Tenth Census, 1880,26148. 



Upper Silurian; very light colored ; compact and hard. Near Mapleton, Hun- 



tingdon County. F. Ilefrigkt's quarry. Tenth Census, 1880. 26171. 



Triassic; coarse; porous; reddish brown. Norristown, Montgomery County. 



L. Fl urn's quarry. Tenth Census, 1880. 26433. 



Triassic; purplish brown ; fine and medium. Two specimens. Near Reading, 



Berks County. Quarry of Eppler & Rischvile. Tenth Census, 1880. 26436. 



Potsdam; light colored; compact and hard. Reading, Berks County. Tenth 



Census, 1880. 26471. 

 Triassic ; line ; light reddish brown. Centre Bridge, Bucks County. A. Man- 

 derson's quarry. Tenth Census, 1880. 25837. 



Triassic ; coarse ; light bluish drab, rust spotted. Centre Bridge, Bucks 



County. A. Manderson's quarry. Tenth Census, 1880. 25838. 



Triassic ; reddish gray, rust spotted. Centre Bridge, Bucks County. A. Man- 



derson's quarry. Tenth Census, 1880. 25839. 



Carboniferous; brown; medium. Near Wampum, Lawrence County. J.Fri- 



day's quarry. Tenth Census, 1880. 25852. 



Carboniferous; light colored; medium. Near Wampum, Lawrence County. 



Quarry of New York, Pittsburgh and Chicago Railroad Company. Tenth 

 Census, 1880. 25853. 



Carboniferous ; fine ; light colored. Wampum, Lawrence County. J.Friday's 



quarry. Tenth Census, 1880. 25776. 



Carboniferous ; coarse ; porous ; light colored. Freeport, Armstrong County. 



D. Taylor's quarry. Tenth Census, 1880. 25851. 



Triassic ; fine ; reddish brown. Centre Bridge, Bucks County. A. Manderson's 



luarry. Tenth Census, 1880. 25836. 

 — — Triassic ; light brown ; porous. Two specimens. Yard ley ville, Bucks County. 



Quarry of S. B. & E. W. Twinning. Tenth Census, 1880. 25667. 

 Triassic; fine; brown. Two specimens. Lumberville, Bucks County. T. H. 



Kemble's quarry. Tenth Census, 1880. 25676. 



Carboniferous ; coarse ; buff. Two specimens. Wayuesburgh, Greene County. 



S. Rinehart's quarry. Tenth Census. 1880. 25769. 



Carboniferous; fine; bluish drab. Near Cannonsburgh, Washington County. 



J. Cook's quarry. Tenth Census, 1880. 25815. 



Carboniferous; coarse; light colored. Near Monongahela City, Washington 



County. Tenth Census, 1880. 25239. 



Carboniferous; light yellowish brown. Near Washington, Washington County. 



Quarry of Hallam Bros. Tenth Census, 1880. 25770. 



Carboniferous; light yellowish brown. Near Washington, Washington County. 



D. Hasgorty's quarry. Tenth Census, 1880. 25771. 



Carboniferous; fine; gray. Near Webster, Westmoreland County. William 



Nelson's quarry. Tenth Census, 1880. 25353. 



Carboniferous ; fine ; gray. Greensburgh, Westmoreland County. S.Zimmer- 



man's quarry. Tenth Census, 1880. 25924. 



