| http://www.w3.org/ns/prov#value | - Water quality variables including temperature, pH, dissolved oxygen, electrical conductivity, oxidation-reduction potential, and turbidity were measured at 30-minute intervals using a calibrated Hydrolab Datasonde 4a multiprobe installed in the Old River at the Bureau of Reclamation's Tracy Fish Collection Facility (TFCF), located near Tracy, California, in the southern region of the Sacramento-Sa
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