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.
Method 1 of 3: Getting Acclimated to Being Underwater. 1. Get into the water and stand by the edge of the pool. 1  Standing by the edge of the pool will ensure that you feel secure while you go through the following steps. 2  It is a good idea to stand waist-or chest-deep in the pool, whichever you are more comfortable with.ow that you are getting used to being underwater without holding your nose, try it out while swimming. Swim along the shorter length of the pool near the edge while you follow the steps below. Using a shorter distance and the edge as a guide will allow you to build up to bigger challenges. 2.