-
covering Flood control: irrigation, drainage, dams, ditching,
channel work,
riprapping Forest culture: tree planting, fire prevention, fire pre-suppression,...
- 10.76, 49.70, and 58.08.
These usually had a
drainage ditch which was
riprapped with
stone to
prevent erosion.
Historically the
towpath dropped two feet...
- cost of the
substructure was $35,415.46, and the cost of the
filling and
riprapping was $2384.21. The King
Bridge Company was in
charge of
building the bridge's...
-
constructed across it in the 20th century.
Projects such as
channelization and
riprapping have been done on
reaches of the
stream in the
second half of the 20th...
-
earthen dam with a
concrete core is 450 feet (140 m) in length. Rock
riprapping protects its
south side from erosion. A 300-foot (91 m)
concrete spillway...
- 200 feet (370 m), and the bank
behind was
armored against floods with
riprapped stone.
Cascade Locks,
circa 1897,
looking east,
locks are functioning...
- to
nearly 6
meters below sea level. The
Delta today consists of
highly riprapped waterways,
punctuated by
islands that
appear like "floating bowls" with...
