The Bear River boys basketball team opened the Union Mine Division IV Challenge with a convincing 72-54 win over Argonaut. The Bruins (9-1) were led by Justin Beskeen with 27 points and seven rebounds. Travis Anderson added 16 points, and Braden Duncan chipped in 15 in the victory. Bear River hits the court again at 4:30 p.m. today in a second-round matchup with Mesa Verde. JV: Nevada Union 76, Natomas 33 The Miners had no problem with the Nighthawks Friday at Albert Ali Gymnasium, cruising to a 43-point victory. NU’s Joe Ten Eyck led the Miner offense with 15 points, …