Nathan Broek | Sports Editor Boyden-Hull 16-15-5-6 42 Rock Valley 9-5-18-16 48 ROCK VALLEY-Boyden-Hull seemed to have everything going its way in the first half of a Siouxland Conference girls’ basketball game with Rock Valley Monday, Feb. 4, but that storyline changed in the second half and the Comets fell to the rival Rockets…