Library
Our offices develop proposed and final decision documents that are published in the Federal Register and on regulations.gov. Final decision documents are also posted on ECOS ECOS
Environmental Conservation Online System (ECOS) serves a variety of reports related to FWS Threatened and Endangered Species.
Learn more about ECOS . Some documents that are unique to our offices or that are not found in other locations are listed below. If you can't find the document you're looking for, please contact our Public Affairs department.
