The spring sun shines strengthened in the sky. A few bald eagles soared across the sky, looking closely for any sign of a new fish meal, circling in the same pattern with the wind. For centuries, Indians waited like the Tibbens in April for the tidal wave of life to flow up the river. The show began at the mouth of the Schuylkill river; A huge mass of fish grew, until the river rose four feet high, extending for almost a quarter mile wide some years. The men take deep breaths as the Shad finally arrived. The fish swam until their bodies turned to waste, sacrificing all to lay the eggs of the next Shad generation. Even all the Tibben fishing nets will not block their invasion. The surge of life soon transformed Michael and Benjamin's island into a fish factory. The Tibbens firmly anchored Seine nets to their fishery island. The nets caught the fish by the hundreds, their flat bottom boat becoming their final resting