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We calculate the light quark spectrum of lattice QCD in the quenchedapproximation using Kogut-Susskind quarks. By combining results for differentlattice spacings, several volumes and five quark masses, we are able to takethe light quark mass, infinite volume, continuum limit. When we use non-linearchiral extrapolations, we find that the nucleon to rho mass ratio is 1.254 +-0.018 +- 0.027, where the errors are statistical and systematic (within thequenched approximation), respectively. This should be compared with theexperimental value of 1.22. Our results indicate that the error due toquenching is less than about 5%.Comment: 5 pages, 3 figures, LaTeX, uses REVTeX, epsf. Reference added;  numerous changes and new tabl

Continuum Limit of Lattice QCD with Staggered Quarks in the Quenched Approximation: A Critical Role for the Chiral Extrapolation