{"collection":"aor","html_url":"https://unchartedknowledge.5gfusion.net/browse/aor/dv/0976.htm","path":"aor/dv/0976.htm","source_url":"https://sacred-texts.com/aor/dv/0976.htm","text":"The Da Vinci Notebooks\nOn the alterations in the channels of rivers.The subterranean channels of waters, like those which exist between the air and the earth, are those which unceasingly wear away and deepen the beds of their currents.","title":"Vol. II: XVI. Physical Geography: 976.","type":"page"}