The space for the site was gained by pulling down the old houses composing the Schlossfreiheit and damming the Spree.
This improvement was projected to include the damming of the Charles river, and the creation of a great freshwater basin, with drive-ways of reclaimed land along the shores, and other adornments, somewhat after the model of the Alster basins at Hamburg.
Glacial action determined the direction and character of the rivers, made numerous swamps, and, by scouring out rock basins, damming rivers and leaving morainal hollows, determined the character and formation of the lakes, of which Minnesota has upwards of io,000, a number probably exceeding that of any other state in the Union.
One result of this damming up has been to submerge the Silver Strand and to curtail the dimensions of Ellen's Isle.
If possible the water should be taken so far above the meadows as to have sufficient fall without damming up the river.
The idea was even mooted of damming up the river near Hauconcourt, and thus, flooding out the whole of the civil population of Metz; but expert civil engineers, who were sent for from Germany, reported against the proposal.
The obelisk of Heliopolis is amongst his best-known monuments, and the damming of the Lake of Moeris (q.v.) must have been in progress in his reign.
Some are contained in alluvial depressions in the river valleys; others have been formed by volcanic eruptions, the ejecta damming the rivers until exits were found over cliffs or through gorges.
The knoll on which it stood was converted almost into an island by the damming up of an adjacent brook, and the whole enclosed area amounted to 30 acres, The great hall (which is 73 ft.
The islands of Schouwen and Duiveland are united owing to the damming of the Dykwater; St Filipsland, or Philipsland, and South Beveland are connected with the mainland of North Brabant by naturally formed mud banks.