https://www.usgs.gov/publications/year-and-age-effects-residues-dieldrin-and-heptachlor-dead-gray-bats-franklin-county
Dead gray bats (Myotis grisescens) containing lethal concentrations of dieldrin were found beneath a maternity roost in Bat Cave Nos. 2 and 3, Franklin County,...
yearageeffectsresiduesdieldrin