9431

• UCREFRP Catalog Number: 9431
• Author: Chafin, D. T.
• Title: Evaluation of Trends in pH in the Yampa River, Northwestern Colorado, 1950-2000.
• USFW Year: 2002.
• USFW - Doc Type: Denver.
• Copyright Material: NO

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DATE SAMPLED
Figure 19. Temporal distribution of concentrations of major cations at Yampa River near Maybell, 1950-99.
28 Evaluation of Trends in pH in the Yampa River, Northwestern Colorado, 1950-2000