The Southern Washington Mineralogical Society will be celebrating their 50th annual rock show this year! It will be held September 19th & 20th, 2015 at the Castle Rock Fairgrounds in Castle Rock, Washington. Show hours are Saturday 10am to 5pm and Sunday 10am to 4pm. Our show will have member display cases, country store, door prizes, gem dig, spin table, vendors, food, black light display, silent auction and a voice auction that will be held on Saturday at 3pm. Local sand sculpture artist, Rocky Courser, will build a sand castle for us! Admission and parking are free. The local school with the most attendees at our show will win a museum quality dinosaur fossil.