If you're thinking about buying a retractable awning, consider the value, longevity and cost. Purchasing a retractable deck awning is a big investment. While smaller, less-expensive awnings start at around $500, larger, higher-quality awnings can cost as much as $2,000 or more. Before you make the decision to buy a retractable awning, you should learn as much as possible about their benefits and drawbacks. Here are the top three pros and cons to consider.
Drainage basin. 558 pages on this wiki. A drainage basin is the area within the drainage basin divide (yellow outline), and drains the surface runoff and river discharge (blue lines) of a contiguous area.rainage basin. 558 pages on this wiki. A drainage basin is the area within the drainage basin divide (yellow outline), and drains the surface runoff and river discharge (blue lines) of a contiguous area.
The MurrayâDarling River Basin. The Murray River and its main tributary, the Darling River, are the two main rivers in the MurrayâDarling River Basin. A river catchment is the area of land that surrounds a river and all of its tributaries, from the headwaters to the mouth.The river basin includes all the underwater aquifers and related springs. National Museum of Australia, the Murray-Darling Basin Commission and the Museum of the Riverina, Pass the Salt. 2  Pass the Salt explores places, examines objects and tells people's stories about salinity in the Wagga Wagga region, New South Wales.