01007cam a22002891a 4500001001300000003000400013005001700017008004100034010001700075035002000092040004700112043001200159050001800171070002000189072000900209082001300218100002800231245008400259260005800343300004400401490006600445500001700511500005100528504002800579650004200607830006800649agr38000293 DLC20260227110956.0850712s1938    dcuaf    b   f000 0 eng c  aagr38000293   a(OCoLC)12259389  aU.S. Dept. of agr. LibrarycDSIdDNALdDLC  an-us-md00aSF405.M7bS550 a1bAg84C no.474 0aL100  a630.61731 aSmith, Frank R.,d1907-10aMuskrat investigations in Dorchester County, Md., 1930-34 /cby Frank R. Smith.  aWashington, D.C. :bU.S. Dept. of Agriculture,c1938.  a24 p., 6 p. of plates :bill. ;c23 cm.1 aCircular / United States Department of Agriculture ;vno. 474  aCover title.  aContribution from Bureau of Biological Survey.  aBibliography: p. 23-24. 0aMuskratzMarylandzDorchester County. 0aCircular (United States. Department of Agriculture) ;vno. 474.