Close to the mouth of the river; the banks are primarily composed of McBeth silt loam. Chipman loam and Chipman silt loam are also present towards the mouth of the river but in significantly smaller quantities.
The description focuses on the soil composition along the riverbanks, specifically near its mouth.  McBeth silt loam is dominant, with Chipman loam and Chipman silt loam present in lesser quantities.