Read "Dwellers in the Hills" by Melville Davisson Post online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
The strength of the current did not seem to be so powerful as I had judged it. However, its determination was difficult. The horse swam with great ease, but he was an extraordinary horse, with a capacity for doing with this apparent ease everything which it pleased him to attempt. I do not know whether this arose from the stirring of larger powers ordinarily latent, or whether the horse's manner somehow concealed the amount of the effort. I think the former is more probable.
Half-way across the river, we were not more than twenty yards down-stream from the ferry landing. Ump shouted to turn down into the eddy, and I swung El Mahdi around. A dozen long strokes brought us into the almost quiet water of the great rim to this circle, a circle that was a hundred yards in diameter, in which the water moved from the circumference to the centre with a velocity increasing with the contracting of its orbit, from almost dead water in its rim to a whirling eddy in its centre.