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  2. River bifurcation - Wikipedia

    en.wikipedia.org/wiki/River_bifurcation

    The Hase River in Melle, Germany divides into the Hase River and the Else River and has been researched as a natural phenomenon. A bifurcation of the Nerodime River in Kosovo , near the town of Ferizaj , at 42°22′19″N 21°08′00″E  /  42.371827°N 21.133306°E  / 42.371827; 21.133306 , was a hydrological curiosity as separate ...

  3. List of river borders of U.S. states - Wikipedia

    en.wikipedia.org/wiki/List_of_river_borders_of_U...

    Kentucky that the state line is the low-water mark of the Ohio River's north shore as of Kentucky's admission to the Union in 1792. [2] Because both damming and natural changes have rendered the 1792 shore virtually undetectable in many places, the exact boundary was decided in the 1990s in settlements among the states.

  4. Crossword - Wikipedia

    en.wikipedia.org/wiki/Crossword

    Crossword-like puzzles, for example Double Diamond Puzzles, appeared in the magazine St. Nicholas, published since 1873. [32] Another crossword puzzle appeared on September 14, 1890, in the Italian magazine Il Secolo Illustrato della Domenica. It was designed by Giuseppe Airoldi and titled "Per passare il tempo" ("To pass the time"). Airoldi's ...

  5. Tennessee Valley Divide - Wikipedia

    en.wikipedia.org/wiki/Tennessee_Valley_Divide

    All four rivers empty into the Ohio River. Following the Divide in a clockwise direction, it leads east and southeast through western Kentucky through the Land Between the Lakes, a narrow area between the Tennessee River and Cumberland River, then passes into Tennessee, where it continues southeast, passing south of the Nashville Basin on top ...

  6. Drainage divide - Wikipedia

    en.wikipedia.org/wiki/Drainage_divide

    USGS map of Schuylkill-Lehigh River drainage divides A minor drainage divide south of Buckeye, Arizona. Both branches flow to the Gila River. Drainage divides can be divided into three types: [5] Continental divides in which waters on each side flow to different oceans, such as the Continental Divide of the Americas and the Congo-Nile Divide. [6]

  7. Channel types - Wikipedia

    en.wikipedia.org/wiki/Channel_types

    A wide variety of river and stream channel types exist in limnology, the study of inland waters.All these can be divided into two groups by using the water-flow gradient as either low gradient channels for streams or rivers with less than two percent (2%) flow gradient, or high gradient channels for those with greater than a 2% gradient.

  8. River fork - Wikipedia

    en.wikipedia.org/wiki/River_fork

    A typical river fork is usually two tributaries merging (a confluence), such as the Nile proper created at that of the Blue Nile and White Nile, though the term can be used when a single or main channel of a river bifurcates into distributaries, a large instance being the Mississippi at the upper end of the Atchafalaya River.

  9. Water resource region - Wikipedia

    en.wikipedia.org/wiki/Water_Resource_Region

    A water resource region is the first level of classification used by the United States Geological Survey to divide and sub-divide the United States into successively smaller hydrologic units as part of the U.S. hydrologic unit system. This first level of classification divides the United States into 21 major geographic areas, or regions.