Stock watering tank
FIG. 1 is a perspective view taken from the top, front and left end of a stock watering tank embodying my new design; 
     FIG. 2 is a front elevational view thereof; 
     FIG. 3 is a right end elevational view thereof; 
     FIG. 4 is a top plan view thereof. 
     FIG. 5 is a bottom plan view thereof. 
     FIG. 6 is a cross sectional view taken on line 6--6 of FIG. 3; 
     FIG. 7 is a cross sectional view taken on line 7--7 of FIG. 2.