01150cam a22002891a 4500001001300000003000400013005001700017008004100034010001700075035002000092040004800112042001200160050002100172070001300193110004700206245014900253260005000402300005800452500006800510500005900578500005200637650002100689650003000710700004300740700003500783740004200818agr39000361 DLC20260227110957.0850415s1939    dcubf        f000 0 eng c  aagr39000361   a(OCoLC)11922293  aU.S. Dept. of agr. LibrarycNPVdOCoLCdDLC  apremarc00aS623b.U44 no. 50 a1.6So31W1 aUnited States.bSoil Conservation Service.10aErosion and related land use conditions on the watershed of White Rock reservoir near Dallas, Texas /cby Richard M. Marshall and Carl B. Brown.  aWashington :b[U.S. Govt. print. off.,c1939]  a29 p., 7 plates on 4 leaves :bill., 2 maps ;c23 cm.  aIssued by U.S. Dept. of Agriculture. Soil Conservation Service.  a"Field survey by Richard M. Marshall and party."--p.1.  aIn pamphlet box with 16 additional folded maps. 0aLand usezTexas. 0aSoil conservationzTexas.1 aBrown, Carl B.q(Carl Barrier),d1910-1 aMarshall, Richard Moon,d1907-0 aWhite Rock reservoir...Dallas, Texas.