This species may have utilized the mainstream as a refugium in the drought of 1952-'56.' [Please select]
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This species, abundant in clear streams tributary to the Neosho River (field data, State Biological Survey) may have used the mainstream as a refugium during drought. [Please select]
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These species probably used the mainstream as a refugium during drought; with the resumption of flow, conditions became unsuitable for these populations in the mainstream. [Please select]
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