READING — On Feb. 2 of this year, Fred Sheeler had urgent news to share with Berks County’s three commissioners and district attorney. “We just recorded a deed for one of the new large warehouses,” Sheeler, the elected official in charge of maintaining real estate records, said in an email. He included the address of a 520,000-square-foot facility in Upper Bern Township that had been vacant for years. “The purchaser is The United States Of Ameri…