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Freestone
- Stream fed by springs at headwaters and runoff throughout
its course
- Size increases farther from source and may be tidal where
meets ocean or bay
- Water colder closer to spring-fed sources
- Water levels and clarity fluctuate with precipitation
- Temperatures based on ambient temperatures
- Variety of stream bottoms from
pebble-->rocks-->boulders
- More sources of structure to fish in, near, around (log
jams, boulders, pools etc.)
- Fast loss of elevation creates waterfalls and plunge pools
- Fish species change from source to end based on water
temperatures, tides, elevation etc.
A stream starts from springs and runoff 
A stream starts as snow melt
The stream grows in size as more water enters the system
Cold, clear water with waterfalls as water heads from source downstream
"Pocket water" forms when elevation drops and the water is broken up by
exposed rocks. Plunging water (plunge pools) increase Oxygen
levels.
Plunge pool
Stream begins to open up once it reaches lower elevations
The body of water begins to broaden as it leaves elevation and
encounters flatter land
River gains size and depth when changes to tidal
Brides on the East coast are typically built just above the fall line
(interstate 95)
This section of the Potomac was flooded. The right side of the image
shows the bank.
This section was about 10' deep now and dry two weeks later.
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