Nine of South Carolina's Top 15 Courses are located along the Grand Strand Golfweek magazine has unveiled its annual ranking of the “Top 100 Best Courses You Can Play in the U.S.” and a trio of Myrtle Beach layouts earned a spot on the prestigious list. Golfweek ranked the famed Dunes Golf & Beach Club the 50th best public course in America and the Robert Trent Jones Sr. classic was followed by Caledonia Golf & Fish Club (No. 62) and True Blue Golf Club (No. 95), a pair of Mike Strantz gems. Even more impressive than three top 100 courses was…