The eastern boundary of the Louisiana purchase was the Mississippi River, from its source to the 31st parallel, though the source of the Mississippi was, at the time, unknown. The eastern boundary below the 31st parallel was unclear.
An A-frame pool ladder is a great above ground pool ladder designed for stability and safety that is perfect for above ground swimming pools Pool owners with small children can provide an extra layer of safety with the fold up mechanism or locking gate.
In this article we will deal with the manual type. A pool vacuum consists of a vacuum head, a vacuum hose and a telescopic pole [source: de Fontenay ]. Let's continue now and learn how to use a pool vacuum. 1  Attach the vacuum head to one end of the telescopic pole.2  This allows you to move the vacuum head around the bottom of the pool. 3  There should be a clear place on the top of the head where you attach it to the pole. Attach the vacuum head to one end of the telescopic pole. 2  This allows you to move the vacuum head around the bottom of the pool. 3  There should be a clear place on the top of the head where you attach it to the pole. 4  Attach one end of the vacuum hose to the vacuum head.