Knee pain and popping is a common problem and can be caused by a number of factors. Another term commonly used for popping in the knee is Crepitus, which essentially means a noisy joint, whether it be popping, clicking, cracking or snapping.
The final type of erosion is attrition. Attrition is a way of eroding the riverâs load, not the bed and banks. Attrition is where pieces of rock in the riverâs load knock together, breaking chunks of rock off of one another and gradually rounding and shrinking the load.
Vanport Memorial Day Flood of 1948. The Columbia River at Vancouver crest at 30 feet, the highest stage since the late 1800s, and the discharge was about 1 million cubic feet per second for almost a month. Vanport was constructed in 1943 to house families of workers at the wartime Kaiser Shipyard.