Special to the Advance EDINBURG — The Museum of South Texas History presents Summer Saturdays at the Museum, an adventure through the River Crossroads galleries, 1910 Jail and a makeshift store called La Bodega, from 11 a.m. to 2 p.m. July 1 and July 8.Each weekend features a different museum gallery through family-friendly adventures that highlight trading, commerce and civics lessons. Participants will interact with paper bills called “MOSTH Bucks,” which can be redeemed for prizes located at La Bodega. Play money can also buy entries for a chance to win a customized museum puzzle.River Crossroads gallery activities are scheduled ...