00845cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001900092040005600111043001200167050002300179100004900202245013500251260005300386300004200439490005100481504003000532650002400562710002900586gs 18000136 DLC20260227111322.0800229s1918    vauabf   b   s000 0 eng c  ags 18000136   a(OCoLC)6036082  aLibrary, U.S. Geological SurveycTxDaMEdOCoLCdDLC  an-us-va00aQE172b.A3 no. 15A1 aFerguson, Henry G.q(Henry Gardiner),d1882-10aTin deposits near Irish Creek, Virginia,cby Henry G. Ferguson; prepared in co-operation with the United States geological survey.  aCharlottesville,bUniversity of Virginia,c1918.  a3 p. l., 19 p.billus. (maps)c26 cm.0 aVirginia. Geological survey. Bulletin no. XV-A  aBibliography: p. 229-231. 0aTin oreszVirginia.2 aGeological Survey (U.S.)