US D317271 S
FIG. 1 is a top plan view of a monitoring well cap showing my new design;
FIG. 2 is a front elevational view;
FIG. 3 is a rear elevational view;
FIG. 4 is a bottom plan view;
FIG. 5 is a right side elevational view; and
FIG. 6 is a left side elevational view thereof.