Ever walk across a river frozen thick to get to a whiskey-soaked work lunch? Stood atop grain piled so high it was like trudging in deep snow? Ever spend a month camped inside a leaky grain elevator — or fought to keep one from being demolished? The people featured in Spilling Grain have. They’ve worked in and around Buffalo’s magnificent grain elevators, toiled in their shadows, studied their architectural magnitude and even made music inside them.