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2. Sluice - Wikipedia

   en.wikipedia.org/wiki/Sluice

   A sluice gate. A sluice (/ s l u s / SLOOS) is a water channel containing a sluice gate, a type of lock to manage the water flow and water level. It can also be an open channel which processes material, such as a river sluice used in gold prospecting or fossicking. A mill race, leet, flume, penstock or lade is a sluice channeling water toward a ...

3. Placer mining - Wikipedia

   en.wikipedia.org/wiki/Placer_mining

   A long sluice box runs along the mine. [16] The sluice box was used extensively during the California gold rush for larger scale operations. When streams became increasingly depleted, the grizzly and undercurrent variants of the sluice box were developed. The grizzly is a set of parallel bars placed at a 45-degree angle over the main sluice box ...

4. Lock (water navigation) - Wikipedia

   en.wikipedia.org/wiki/Lock_(water_navigation)

   A plan and side view of a generic, empty canal lock. A lock chamber separated from the rest of the canal by an upper pair and a lower pair of mitre gates.The gates in each pair close against each other at an 18° angle to approximate an arch against the water pressure on the "upstream" side of the gates when the water level on the "downstream" side is lower.

5. Rocker box - Wikipedia

   en.wikipedia.org/wiki/Rocker_box

   Today, the rocker box is not used as extensively as the sluice, but still is an effective method of recovering gold in areas where there is not enough available water to operate a sluice effectively. Like a sluice box, the rocker box has riffles and a carpet in it to trap gold. It was designed to be used in areas with less water than a sluice box.

6. Sluice box - Wikipedia

   en.wikipedia.org/?title=Sluice_box&redirect=no

   Placer mining#Sluice box With possibilities : This is a redirect from a title that potentially could be expanded into a new article or other type of associated page such as a new template. The topic described by this title may be more detailed than is currently provided on the target page or in a section of that page.

7. The Ford Meter Box Company - Wikipedia

   en.wikipedia.org/wiki/The_Ford_Meter_Box_Company

   Meter box cover manufactured by Ford Meter Box for New Orleans. Ford Meter Box was founded by Edwin Ford in Hartford City, Indiana in 1898. [1] He invented the meter box as a place to install water meters outside of homes that did not have basements. Ford's early experimentation found that meters could be installed in pits to protect them from ...

8. AOL Mail

   mail.aol.com/?offerId=netscapeconnect-en-us

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Boat - Wikipedia

   en.wikipedia.org/wiki/Boat

   A boat is a watercraft of a large range of types and sizes, but generally smaller than a ship, which is distinguished by its larger size or capacity, its shape, or its ability to carry boats. Small boats are typically used on inland waterways such as rivers and lakes , or in protected coastal areas.