1880s
Bradley's Super-Phosphate of Lime
Bradley Fertilzer Co.
Boston, Mass.
"The Bradley Fertilizer Company was founded on the point of land adjacent to the Back River on Weymouth Neck in 1874 and remained in operation until 1982 when it was purchased by ConocoPhillips."
sphweb.bumc.bu.edu
"It became recognized as the world’s largest fertilizer plant..." northweymouth.org