The Northern Regional Research Laboratory is a laboratory that researches and stores over 99,000 strains of actinomycetes, bacteria, mold, and yeast. According to their website, the NRRL has the largest collection of all of these strains.
PEORIA, IL: Breakthroughs in Peoria at USDA's Northern Regional Research Laboratory
Penicillin Was Pioneered in Peoria at USDA-ARS Research Lab
At Issue #2804 "75th Anniversary, USDA Lab"
NRRL TU 2
Days Gone - All Nero Research Site Locations (Maximum Health / Stamina / Focus Upgrades)