James E. Homans, editor, The Cyclopædia of American Biography… (1918)
“ There were eight miles of greenhouses, averaging twenty-seven feet in width, a veritable glass-covered street that would have stretched from one end of Chicago to the other. From three to four hundred men were now employed in caring for the many acres of growing flowers and shrubs under glass, the payroll amounting to nearly a quarter of a million dollars per annum. ”
