The ornamental design for an above-ground swimming pool, as shown and described.
FIG. 1 is a top plan view of the above-ground swimming pool showing my new
design;
FIG. 2 is an elevation view of the above-ground swimming pool of FIG. 1 as
it appears when looking toward the swimming pool from the outside thereof
from any location around the pool; and
FIG. 3 is a fragmentary transverse section taken along line 3--3 of FIG. 1
in the direction of the arrows and showing the details of the circular
coping which extends without interruption all around the upper part of the
pool.