Some are calling it one of the biggest construction projects in the country right now — the $400 million expansion of Google’s data center operations in Council Bluffs, a massive undertaking involving roughly 2,000 construction workers with no deadline announced. “We don’t how long it’s going to be going on, we just know that they’re continuing to build,” said Bob Mundt, president and chief executive of the Council Bluffs Area Chamber of Commerce. Since 2007, Google has invested more than $1.5 billion in its facilities in the Lake Manawa area and now at a 975-acre site opposite the MidAmerican energy...