History resources here... 1  Post history questions in Hancock County genealogy forum. 2  Historic maps of Kentucky. 3  Search the Library of Congress. 4  National Historic Landmark search. 5  Search the National Register for historic properties. 6  Historic maps of KY cities.
I inoculated nutrient agar with bacillus subtilis and it made a dark green colour on agar plates.
EMB agar or Eosin methylene blue agar is to see which gram negative  is lactose fermenters by colonies appearing a purple, black color.  It also inhibits the growth of gram â¦positive bacteria. Making the world better, one answer at a time.