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.
Making A Basic Single-Rope Ladder. 1  1. Set a single length of rope down on a flat surface and form it into a U shape. 2  2. Position the rope between your two hands into an S shape. 3  3. Make the first rung of the ladder by taking the left end of the rope and threading it through the first, left bend of the S..