528 REPORT ON NATIONAL MUSEUM, 1886. 



Sandstone. Coarse j light brawn. Near Alameda, Alameda County. Tenth Census. 

 25569. 



Fine; gray. Angel Island, Marin County. Angel Island quarry. Tenth Cen- 



sus. 25570. 



Fine; gray. Li vermore, Alameda County. Livermore quarry. Tenth Census. 



25665. 

 Brown. Hay wards, Alameda County. Excelsior quarry. Tenth Census. 25801. 



Coarse; very light hull". Near San Jose", Santa Clara County. Goodrich quarry. 



Tenth Census. 25707. 



Coarse ; very light huh'. Near San Josd, Santa Clara County. Goodrich quarry 



Tenth Census. 25798. 



Coarse; very light gray. Near San Josc r Santa Clara County. Goodrich quarry. 



Tenth Census. 25799. 

 Andesite tuff. Coarse; gray. Near Cordelia, Solano County. Thomason's quarry. 

 Teuth Census, 1880. 25800. 



COLORADO. 



Limestone. Fine; hlack. Pitkin, Gunnison County. Sunnyside quarry. J. S. F. 

 Batchen, 1884. 35990. 



Fine; dark, mottled. Pitkin, Gunnison County. J. S. F. Batchen, 1884. 36011. 



Coarse; pink. Morrison, Jefferson County. Morrison quarry. J. S. F. Bat- 



chen, 1884. 35995. 



Semi-crystalline; dull ; pink mottled. Near Morrison, Jefferson County. Mor- 



rison quarry. J. S. F. Batchen, 1881. 35996. 

 Biotite granite. Medium; gray: indistinctly porphyritic. Lawson, Clear Creek 



County. Quarry of Commet and Ivors. J. S. F. Batchen, 1884. 35980. 

 Medium; gray. Georgetown, Clear Creek County. J. S. F. Batchen, 1884. 



35987. 



Coarse; light red. Platte Canon, Jefferson and Douglas Counties. Govern- 



ment quarries. Tenth Census, 1880. 25784. 

 Muscovite gneiss. Medium; light gray. Lawson, Clear Creek County. Quarry 



of Commet and Ivers. J. S. F. Batchen, 1884. 35981. 

 Diorite. Fine; light greenish gray. Monarch, Chaffee County. H. H. Church's 



quarry. J. S. F. Batchen, 1884. 36004. 

 Sandstone. Light drah, laminated with hlue gray. Fort Collins, Larimer Comity. 

 Fort Collins quarry. Tenth Census. 25783. 



Fine; light colored. Fort Collins, Larimer County. Fort Collins quarry. 



Tenth Census. 25787. 



Light colored ; fine and compact. Near Fort Collins, Larimer County. E. B. 



Yout's quarry. Tenth Census. 27005. 



Fine; light red. Near Fort Collins, Larimer County. La Porte quarry. Tenth 



Census. 27023. 



Nearly quartzite ; light pink ; fine and compact. Longwort, Larimer County. 



Longwort quarry. John S. F. Batchen. 35997. 



Light rod; laminated. Greeley, Larimer County. John S. F. Batchen. 36001. 



Nearly quartzite ; light colored ; fine and compact. Buckhorn, Larimer County. 



C. J. McWhorter's quarry. John S. F. Batchen. 36839. 

 Fine; light colored. Coal Creek, Fremont County. Coal Creek quarry. 



Tenth Census. 25789. 

 Fine; light colored. Arkansas River, Fremont County. Brandford quarry. 



Tenth Census. 25891. 



