That sound you hear are the shouts of joy from thousands of developers, contractors and assorted land use professionals as every last square inch of the North Branch Corridor is prepared for alteration, following Monday night’s release of the Draft North Branch Industrial Corridor Plan. While the plan for the strip along the Chicago River North Branch includes the name “industrial”, the result will be a lotless industrial than it is today, as the 125 page framework calls for converting much of the current Planned Manufacturing District zoning to residential, commercial and open park space.