William J. Koster Field Journals

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Specimen collected 05 September 1948. Original Locality: Rio San Francisco 10 miles below Luna. Locality: San Francisco River, 10.0 miles below Luna, on U.S. HWY 180, Gila National Forest.Catalog number: MSB976; Taxa: Rhinichthys osculus; Common name: speckled dace; Count of specimens: 1147; Standard length:



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