Mariposa AAUW to Hold Annual Yard Sale on October 11, 2014 Details Last Updated: Friday, 03 October 2014 15:47 Mariposa AAUW is holding its annual yard sale on Saturday, October 11, from 8:00 a.m. to 2:00 p.m.at the corner of 6th and Jones Streets in Mariposa. All good stuff at good prices! Proceeds from this popular yard sale finance AAUW’s community and youth educational projects.