Topic: River Locks
Answers to Common Questions
How many locks are there on the river Thames?
The thames has 47 locks. Read More »
Source: http://wiki.answers.com/Q/How_many_locks_are_there_on_the_river_T...
How many locks on the Rhine River?
Approximately 86. Read More »
Source: http://wiki.answers.com/Q/How_many_locks_on_the_Rhine_River
How many locks on the Rhone River?
Source: http://wiki.answers.com/Q/How_many_locks_on_the_Rhone_River
Featured Content: River Locks
When a stretch of river is made navigable a lock is required to bypass an obstruction such as a rapid, ... More »
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Answers to Other Common Questions
Controls the water level change so that boats can navigate up and down different water levels. Read More »
Source: http://wiki.answers.com/Q/What_do_lock_of_a_river_do
Source: http://wiki.answers.com/Q/How_many_locks_in_the_Mississippi_River
Source: http://wiki.answers.com/Q/How_many_locks_and_dams_are_on_the_Miss...
River locks are constructions that raise the water levels in small sections of rivers to help boaters navigate their crafts through shallow waters. Tall gates close off a section of the river, and boaters enter through one gate. The water l... Read More »
Source: http://www.answerbag.com/q_view/2036360
Because of the elevation changes along the route... Read More »
Source: http://wiki.answers.com/Q/Why_were_locks_built_in_the_St_Lawrence...
A flashing green light means that you are allowed to enter the lock. Read More »
Source: http://wiki.answers.com/Q/WHAT_flashing_light_tells_you_that_you_...
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