O'Farrell first repaired the original layout of the settlement around Portsmouth Square and then established Market Street the widest street in town , as an arrow aimed straight at Los Pechos de la Choca , the Breasts of the Maiden , now called Twin Peaks .
O'Farrell first repaired the original layout of the settlement around Portsmouth Square and then established Market Street as the widest street in town . 
 It was described at the time as an arrow aimed straight at '' Los Pechos de la Choca '' ( the Breasts of the Maiden ) , now called Twin Peaks .