MQ28B Ferlilizer materials U.S. Census Bureau text Washington, D.C The Bureau 1992- monographic U.S. Dept. of Commerce, Economics and Statistics Administration, Bureau of the Census Title from caption of ASCII text file (viewed May 6, 1999) Fertilizer industry C 3.158/27: C 3.158/27: http://www.census.gov/cir/www/ma28b.html http://www.census.gov/cir/www/ma28b.html 20160527183734.0 300063