the Week of Proper 28 / Ordinary 33
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Bible Encyclopedias
Watershed
1911 Encyclopedia Britannica
or in physical geography, the line separating the headstreams tributary to two different river-systems or basins. Alternative terms are "water-parting" and "divide." The crest of a mountain ridge forms the most clearly marked watershed; in a plain country of gentle slope (e.g. the central plain of Ireland) the watershed is often difficult to trace, as the headwaters of two different river systems may merge in marshes or lakes at the highest levels. In a mountainous country, where two streams, flowing in opposite directions but having their sources adjacent, are both gradually eroding or cutting back the land at their heads, a pass is formed. In such cases, where one stream erodes faster than the other, the stronger may ultimately "behead" the weaker, and "capture" some of its waters, whose flow is diverted from one basin to another.
These files are public domain.
Chisholm, Hugh, General Editor. Entry for 'Watershed'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/w/watershed.html. 1910.
