Figure 3. a: Map of RC watershed, showing HF subwatershed. The blue circle is the BM gage station and black circle is location of doser ; b: HF sampling points and biologic recovery zones [41]

From

Using Artificial Neural Network to Model Water Discharge and Chemistry in a River Impacted by Acid Mine Drainage

Toluwaleke Ajayi, Dina L.Lopez, Abiodun E.Ayo-Bali

American Journal of Water Resources. 2021, 9(2), 63-79 doi:10.12691/ajwr-9-2-4