BUILDING AND ORNAMENTAL &TQ$E&. o5l 



Conglomerate breccia [marble]. Triassic; coarse; reel, variegated. Near Freder- 

 ick, Frederick County. Gertzendannar's quarry* Tenth Census, 18#0. •26/97. 



Siliceous limestone. Fine black. Liberty Pike, Frederick County. Hoke's quarry.- 

 Tenth Census, 1880. 25996. 



Magnesian limestone. Lower Silurian; fine; dark. Hagerstown, Washington 

 County. T. G. Jones's quarry. Tenth Census, 1880. 26055. 



Biotite epidote gneiss. Fine ; light red. Ilchester, Howard County. Tenth Cen- 

 bua, 1880. 26856. 



Hornblende gneiss. Fine; very dark gray, nearly black. Ilchester, Howard 



County. Tenth Census, 1880. 26855. 

 Sandstone. Fine; light drab. Seneca, Montgomery County. Tenth Census. 2501:;. 



Fine; light red; used for building purposes in Washington, D. C. Seneca, 



Montgomery County. Tenth Census. 25016. 



Nearly white; medium. Frederick County. J. L. Belt's quarry. Tenth Cen- 



sus, 1880. 25678. 



Devoniau ; coarse; yellow. Cumberland, Allegany County. Shriver's quarry. 



Tenth Census. 26839. 



Devonian; coarse; yellow. Cumberland, Allegany County. Green Street 



quarry. Tenth Census. 26840. 



Lower Silurian ; coarse; light colored. Cumberland, Allegany County. Will- 



iam Lippold's quarry. 26841. 

 Slate. Blue-black. Slab 63- inches square. Harford County. Quarries of Harford 

 Peach Bottom Slate Compauy. Tenth Census, 1880. 25364. 



Blue-black. Slab 6£ inches square. Harford County. Quarries of Harford 



Peach Bottom Slate Company. Tenth Census, 1880. 25365. 



Blue-black. Slab 6 inches square. Harford County. Quarry of J. W. Jones & 



Co. Tenth Census, 1880. 25366. 



Blue-black. Slab 6 inches square. Harford County. Quarry of T. W. Jones. 



Tenth Census. 25367. 



Blue-black. Harford County. Quarries of Harford Peach Bottom Slate Com- 



pany. Tenth Census, 1880. 26411. 



Blue-black. Harford County. Quarries of Harford Peach Bottom Slate Com- 



pany. Tenth Census, 1880. 26410. 



Purple. 4 by 4 by 2 inches. Ijamsville, Frederick County. Quarries of Mary- 



laud Slate Company. Tenth Census, 1880. 26932. 



Blue-black. Slab 8 inches square. Harford County. Quarry of W. E. Will- 



iams & Co. Tenth Census, 1880. 25362. 



Blue-black. Slab 8 inches square. Harford County. Quarry of W. C. Roberts 



& Co. Tenth Census, 1880. 25363. 

 Bracket of carved slate. 10 by 8 inches. Harford County. Quarries of Harford 

 Peach Bottom Slate Company. Tenth Census, 1880. 26412. 



MASSACHUSETTS. 



Steatite [soapstone]. Coarse; dark gray. Two miles southeast of Dana, Worces- 

 ter County. Quarry of Kimball, Osgood & Co. Tenth Census, 1880. 26439. 



Serpentine. Compact; very dark green, nearly black; takes but a dull polish. 

 6-ineh cube. Essex County. 25026. 



Compact; very light green ; takes a dull polish. Newburyport, Essex County. 



Centennial, 1876. 26010. 

 — — Deep green, nearly black ; fiuc and compact; takes but a dull polish. Lynn- 

 field, Essex County. Quarries of Lynnfield Soapstone Company. Tenth 

 Census, 1880. 26554. 



