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Approximately 3.8 hectares (9.3 acres) were reseeded following contaminated soil remediation operations at the Double Tracks site in south-central Nevada during the fall of 1996. Four irrigation/topsoil treatments, including a nonirrigated control, were studied to determine plant response to the different treatments. Seedling emergence and subsequent establishment (one-and-a-half years later) of seeded species were highest in the spring irrigated with topsoil treatment. Initial seedling emergence was significantly lower when no irrigation was used, which suggests the need for supplemental irrigation for seed germination. Seedling and plant densities were highest for winterfat (Krascheninnikovia lanata), Indian ricegrass (Achnatherum hymenoides), squirreltail (Elymus elymoides), Nevada jointfir (Ephedra nevadensis), and shadscale (Atriplex confertifolia).