00782cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035002000092040004600112042001200158050001500170100002700185245007400212260002700286300004000313490012000353650001400473650001200487650002400499999001700523gs 26000388 DLC20260227111330.0900305s1926    waua          000 0 eng c  ags 26000388   a(OCoLC)21170593  aLibrary, U.S. Geological SurveycCStdDLC  apremarc00aTA442b.B81 aBurr, George Danforth.10aCombined concrete and timber in flexure,cby George Danforth Burr ...  aSeattle, Wash.,c1926.  a22 p. incl. illus., diagrs.c23 cm.0 aWashington (State) University. Engineering Experiment Station. Engineering experiment station ser. Bulletinvno. 37 0aConcrete. 0aTimber. 0aBuilding materials.  c26499d26499